long 的英语意思
longlong1 /lɒŋ $ lɒːŋ/ adjective (comparative longer, superlative longest) 
查看全部语言翻译1great length measuring a great length from one end to the other从一端到另一端长度很大的 OPP short: 
a long table长桌 long hair长发 the longest tunnel in the world世界上最长的隧道 He stretched out his long legs.他伸展开他那双长腿。 a long line of people一长排人2great distance continuing or travelling a great distance from one place to another从一地到另一地距离很远的 OPP short: a long distance很长的距离 Springfield is a long way from Chicago.斯普林菲尔德离芝加哥很远。 Liz lives in Cheltenham, which is a long way away.Liz 住在切尔滕纳姆，那里距此很远。long journey/walk/flight/drive etc (=a journey etc over a large distance that takes a lot of time)（=跨越很远距离、耗时很长的旅途等） It’s a long walk to the shops from here.从这里走到商店要走很长时间。3large amount of time continuing for a large amount of time, or for a larger amount of time than usual持续时间很长，或比通常持续时间更长的 OPP short: a long period of time很长一段时间 a long history of success悠久的成功历史 He has a long memory.他记性很好，能记住很久以前的事。(for) a long time/while He’s been gone a long time.他已经离开很长时间了。 I haven’t been there for a long while.我已经很久没去那里了。 It took a long time to get everything ready.把一切准备好花了很长时间。 She died a long time ago.她很久以前就去世了。long silence/pause/delay etc There was a long silence before anybody spoke.在任何人开口之前，有一段长时间的沉默。 She’s recovering from a long illness.她正从一场长期病痛中康复。 Doctors often work long hours (=work for more time than is usual).医生经常工作时间很长（=工作时间比通常要长）。the longest time American English spoken口语 (=a very long time)（=非常长的时间） It took me the longest time to figure out how to open the windows.我花了好长时间才弄明白怎么打开那些窗户。4particular length/distance/time used to talk or ask about a particular length, distance, or time用于谈论或询问特定的长度、距离或时间: How long is your garden?你的花园有多长？ How long is the film?这部电影有多长？ The cable is not quite long enough.这根电缆还不够长。two metres/three miles etc long The bridge is 140 feet long.这座桥长140英尺。two hours/three days etc long The speech was twenty minutes long.演讲持续了二十分钟。5writing containing a lot of words, letters, names, or pages含有大量文字、字母、名称或页数的 OPP short: a long novel一部长篇小说 a long list一个长长的列表 He has a very long name.他的名字非常长。 He owes money to a list of people as long as your arm (=a very long list).他欠了一大串人的钱，名单长得像手臂一样（=非常长的名单）。6clothing covering all of your arms or legs覆盖整条手臂或整条腿的 OPP short: a long dress长裙 a long-sleeved shirt长袖衬衫7tiring/boring spoken口语 making you feel tired or bored使人感到疲倦或无聊的: It’s been a long day.今天真是漫长的一天。8vowel technical术语 a long vowel in a word is pronounced for a longer time than a short vowel with the same sound单词中的长元音发音时间比具有相同音色的短元音更长 OPP short9how long is a piece of string? British English spoken口语 used when there is no definite answer to a question用于问题没有确定答案时: ‘How long will it take to finish the project?’ ‘How long is a piece of string?’"完成这个项目需要多长时间？""这谁说得准？"10the long and (the) short of it spoken口语 used when you are telling someone the most important facts about something rather than all the details用于向他人说明某事最重要的事实而非所有细节时: The long and the short of it is that we missed the train.简而言之，我们错过了火车。11the long arm of somebody/something written书面 the power of someone or something that has authority, especially to catch and punish someone拥有权威的人或机构的力量，尤指追捕和惩罚某人的能力: He won’t escape the long arm of the law.他逃不出法律的长臂。12long face a sad or disappointed expression on someone’s face某人脸上悲伤或失望的神情13long in the tooth informal非正式 too old – used humorously年纪太大——幽默用法: I’m getting a bit long in the tooth for this sort of thing.对这种事我有点太老了。14not long for this world literary文学 likely to die or stop existing soon可能即将死亡或不复存在的15long on something having a lot of a quality具有大量某种特质: He was short on patience, but long on a sense of his own worth.他缺乏耐心，但自我价值感却十足。16long odds if there are long odds against something happening, it is very unlikely that it will happen如果某事发生的胜算极低，说明它几乎不可能发生17in the long run/term used when talking about what will happen at a later time or when something is finished用于谈论以后会发生什么或某事完成后的情形: All our hard work will be worth it in the long run.从长远来看，我们所有的辛勤努力都是值得的。18long shot someone or something with very little chance of success成功可能性极小的人或事物: Chelsea are a 20–1 long shot to win the championship.切尔西以20比1的赔率角逐冠军，希望极为渺茫。19long time no see spoken口语 used humorously to say hello when you have not seen someone for a long time幽默地用于向久未谋面的人打招呼时20take the long view (of something) to think about the effect that something will have in the future rather than what happens now着眼于某事将来的影响，而非当下发生的结果21a long way very much, far, or a great amount or degree非常、遥远或程度很大: We’re still a long way from achieving our sales targets.我们离实现销售目标还差得很远。 Psychiatry has come a long way (=developed a lot) since the 1920s.精神病学自1920年代以来已经取得了长足进步（=发展了很多）。 Your contributions will go a long way towards helping children in need (=will help to reach a goal).你的捐助将对帮助有需要的儿童大有裨益（=有助于实现目标）。by a long way/shot informal非正式 (also by a long chalk )British English (=used when something is much better, quicker, cheaper etc)（=用于表示某物明显更好、更快、更便宜等情况） It was his best performance this year, by a long way.这是他今年最出色的表现，远超其他场次。not by a long way/shot informal非正式 (also not by a long chalk )British English (=not at all or not nearly)（=根本不，或远远不够） He had not told Rory everything, not by a long shot.他并没有把一切都告诉Rory，远远没有。22long weekend three or more days, including Saturday and Sunday, when you do not have to go to work or school包含周六和周日在内的三天或更多天假期，无需上班或上学 → at (long) last at last3(2), → it’s a long story at story(10), → cut/make a long story short at story(11), → a little (of something) goes a long way at little2(5), → have a long way to go at way1(19)GRAMMAR: Order of adjectives语法：形容词顺序If there is more than one adjective, the adjectives are usually used in a fixed order.如果有一个以上的形容词，形容词通常按固定顺序排列。You say: · I had a nice long bath. ✗Don’t say: I had a long nice bath.应说：· I had a nice long bath. ✗不要说：I had a long nice bath.You say: · She wore a long black coat. ✗Don’t say: She wore a black long coat.Grammar guide ‒ ADJECTIVES应说：· She wore a long black coat. ✗不要说：She wore a black long coat.语法指南 ‒ 形容词THESAURUS同义词辨析long continuing for a long time持续很长时间的: · The film was very long.· 这部电影非常长。· There has been a long period without rain.· 已经有一段长时间没有下雨了。lengthy continuing for a long time, especially longer than you want or expect持续很长时间，尤指比所期望或预期的更长: · Drivers face lengthy delays on all roads out of the city.· 驾驶员在城市所有出口道路上都面临漫长的延误。· Police are going through the lengthy process of re-examining all the evidence.· 警方正在经历重新审查所有证据的漫长过程。· He faces a lengthy prison sentence.· 他面临漫长的监禁刑期。long-running [only before noun] continuing for a long time – used especially about disputes, campaigns, or shows持续很长时间——尤用于纠纷、运动或节目: · He has been involved in a long-running dispute with his neighbour.· 他与邻居之间存在一场长期持续的纷争。· The programme is one of the longest-running series on television.· 该节目是电视上播出时间最长的系列节目之一。· a long-running campaign to prevent the airport from being built· 一场阻止机场建设的长期运动long-lasting continuing for a long time – used especially about effects or relationships持续很长时间——尤用于效果或关系: · Stress can have long-lasting effects.· 压力可能产生持久的影响。· While at the school, she made many long-lasting friendships.· 在学校期间，她结下了许多持久的友谊。protracted formal正式 continuing for a long time, especially an unusually long time持续很长时间，尤指异常漫长的时间: · Despite protracted negotiations, they were unable to reach an agreement.· 尽管谈判旷日持久，他们仍未能达成协议。· The couple have been involved in a protracted battle for custody of their children.· 这对夫妇陷入了一场旷日持久的子女监护权争夺战。prolonged continuing for a long time, especially longer than expected, or longer in a way that makes a situation worse持续很长时间，尤指比预期的更长，或以使情况恶化的方式延长: · He returned to work after a prolonged absence.· 他在长期缺勤后重返工作岗位。· Studies have linked prolonged use of the drug to cancer.· 研究表明该药物的长期使用与癌症有关联。· a prolonged period of economic decline· 长期经济衰退期extended [only before noun] continuing for a long time – used especially about visits, trips, breaks etc that last longer than was planned持续很长时间——尤用于比原计划更长的访问、旅行、休息等: · an extended stay in hospital· 长期住院· He took an extended break from work after his father died.· 父亲去世后，他从工作中休了一段较长时间的假。· She didn’t like being away from home for extended periods.· 她不喜欢长时间离家。lasting [only before noun] strong enough or great enough to continue for a long time足够坚固或强大以持续很长时间的: · The negotiations were aimed at achieving a lasting peace.· 谈判旨在实现持久和平。· This affair has done lasting damage to the president’s credibility.· 这一事件对总统的公信力造成了持久损害。· The book left a lasting impression on me.· 这本书给我留下了深刻持久的印象。enduring continuing for a long time – used especially about memories, influences, or feelings of liking someone or something持续很长时间——尤用于记忆、影响或对某人或某物的喜爱之情: · One of my most enduring memories is of going on holiday to France with my parents.· 我最难忘的记忆之一是和父母去法国度假。· the enduring appeal of Conan Doyle’s stories· 柯南·道尔故事经久不衰的魅力· his enduring love for Ireland· 他对爱尔兰持久不变的热爱marathon [only before noun] continuing for a very long time and needing a lot of energy, patience, or determination持续非常长时间且需要大量精力、耐心或决心的: · It was a marathon session of talks which continued until 3 am.· 这是一场持续到凌晨3点的马拉松式会谈。· He arrived after a marathon journey across Europe.· 他在横跨欧洲的漫漫旅途后抵达。too long太长long-winded continuing for too long – used about speeches, answers, explanations etc持续时间过长——用于演讲、回答、解释等: · a very long-winded answer to a simple question· 对一个简单问题给出极其冗长的回答· He gave a long-winded speech about the company’s vision for the future.· 他就公司未来愿景发表了一篇冗长的演讲。interminable very long and boring非常漫长而无聊的: · They faced an interminable wait in the departure lounge of the airport.· 他们在机场候机厅里经历了漫无止境的等待。· The journey seemed interminable.· 那段旅途似乎没有尽头。long-drawn-out [only before noun] used about a process that continues for much too long用于描述持续时间远远过长的过程: · The news heightened expectations that the long-drawn-out investigation might be coming to a close.· 这则消息加深了人们对这场旷日持久的调查可能即将结束的期待。
查看全部语言翻译1great length measuring a great length from one end to the other从一端到另一端长度很大的 OPP short: a long table长桌 long hair长发 the longest tunnel in the world世界上最长的隧道 He stretched out his long legs.他伸展开他那双长腿。 a long line of people一长排人2great distance continuing or travelling a great distance from one place to another从一地到另一地距离很远的 OPP short: a long distance很长的距离 Springfield is a long way from Chicago.斯普林菲尔德离芝加哥很远。 Liz lives in Cheltenham, which is a long way away.Liz 住在切尔滕纳姆，那里距此很远。long journey/walk/flight/drive etc (=a journey etc over a large distance that takes a lot of time)（=跨越很远距离、耗时很长的旅途等） It’s a long walk to the shops from here.从这里走到商店要走很长时间。3large amount of time continuing for a large amount of time, or for a larger amount of time than usual持续时间很长，或比通常持续时间更长的 OPP short: a long period of time很长一段时间 a long history of success悠久的成功历史 He has a long memory.他记性很好，能记住很久以前的事。(for) a long time/while He’s been gone a long time.他已经离开很长时间了。 I haven’t been there for a long while.我已经很久没去那里了。 It took a long time to get everything ready.把一切准备好花了很长时间。 She died a long time ago.她很久以前就去世了。long silence/pause/delay etc There was a long silence before anybody spoke.在任何人开口之前，有一段长时间的沉默。 She’s recovering from a long illness.她正从一场长期病痛中康复。 Doctors often work long hours (=work for more time than is usual).医生经常工作时间很长（=工作时间比通常要长）。the longest time American English spoken口语 (=a very long time)（=非常长的时间） It took me the longest time to figure out how to open the windows.我花了好长时间才弄明白怎么打开那些窗户。4particular length/distance/time used to talk or ask about a particular length, distance, or time用于谈论或询问特定的长度、距离或时间: How long is your garden?你的花园有多长？ How long is the film?这部电影有多长？ The cable is not quite long enough.这根电缆还不够长。two metres/three miles etc long The bridge is 140 feet long.这座桥长140英尺。two hours/three days etc long The speech was twenty minutes long.演讲持续了二十分钟。5writing containing a lot of words, letters, names, or pages含有大量文字、字母、名称或页数的 OPP short: a long novel一部长篇小说 a long list一个长长的列表 He has a very long name.他的名字非常长。 He owes money to a list of people as long as your arm (=a very long list).他欠了一大串人的钱，名单长得像手臂一样（=非常长的名单）。6clothing covering all of your arms or legs覆盖整条手臂或整条腿的 OPP short: a long dress长裙 a long-sleeved shirt长袖衬衫7tiring/boring spoken口语 making you feel tired or bored使人感到疲倦或无聊的: It’s been a long day.今天真是漫长的一天。8vowel technical术语 a long vowel in a word is pronounced for a longer time than a short vowel with the same sound单词中的长元音发音时间比具有相同音色的短元音更长 OPP short9how long is a piece of string? British English spoken口语 used when there is no definite answer to a question用于问题没有确定答案时: ‘How long will it take to finish the project?’ ‘How long is a piece of string?’"完成这个项目需要多长时间？""这谁说得准？"10the long and (the) short of it spoken口语 used when you are telling someone the most important facts about something rather than all the details用于向他人说明某事最重要的事实而非所有细节时: The long and the short of it is that we missed the train.简而言之，我们错过了火车。11the long arm of somebody/something written书面 the power of someone or something that has authority, especially to catch and punish someone拥有权威的人或机构的力量，尤指追捕和惩罚某人的能力: He won’t escape the long arm of the law.他逃不出法律的长臂。12long face a sad or disappointed expression on someone’s face某人脸上悲伤或失望的神情13long in the tooth informal非正式 too old – used humorously年纪太大——幽默用法: I’m getting a bit long in the tooth for this sort of thing.对这种事我有点太老了。14not long for this world literary文学 likely to die or stop existing soon可能即将死亡或不复存在的15long on something having a lot of a quality具有大量某种特质: He was short on patience, but long on a sense of his own worth.他缺乏耐心，但自我价值感却十足。16long odds if there are long odds against something happening, it is very unlikely that it will happen如果某事发生的胜算极低，说明它几乎不可能发生17in the long run/term used when talking about what will happen at a later time or when something is finished用于谈论以后会发生什么或某事完成后的情形: All our hard work will be worth it in the long run.从长远来看，我们所有的辛勤努力都是值得的。18long shot someone or something with very little chance of success成功可能性极小的人或事物: Chelsea are a 20–1 long shot to win the championship.切尔西以20比1的赔率角逐冠军，希望极为渺茫。19long time no see spoken口语 used humorously to say hello when you have not seen someone for a long time幽默地用于向久未谋面的人打招呼时20take the long view (of something) to think about the effect that something will have in the future rather than what happens now着眼于某事将来的影响，而非当下发生的结果21a long way very much, far, or a great amount or degree非常、遥远或程度很大: We’re still a long way from achieving our sales targets.我们离实现销售目标还差得很远。 Psychiatry has come a long way (=developed a lot) since the 1920s.精神病学自1920年代以来已经取得了长足进步（=发展了很多）。 Your contributions will go a long way towards helping children in need (=will help to reach a goal).你的捐助将对帮助有需要的儿童大有裨益（=有助于实现目标）。by a long way/shot informal非正式 (also by a long chalk )British English (=used when something is much better, quicker, cheaper etc)（=用于表示某物明显更好、更快、更便宜等情况） It was his best performance this year, by a long way.这是他今年最出色的表现，远超其他场次。not by a long way/shot informal非正式 (also not by a long chalk )British English (=not at all or not nearly)（=根本不，或远远不够） He had not told Rory everything, not by a long shot.他并没有把一切都告诉Rory，远远没有。22long weekend three or more days, including Saturday and Sunday, when you do not have to go to work or school包含周六和周日在内的三天或更多天假期，无需上班或上学 → at (long) last at last3(2), → it’s a long story at story(10), → cut/make a long story short at story(11), → a little (of something) goes a long way at little2(5), → have a long way to go at way1(19)GRAMMAR: Order of adjectives语法：形容词顺序If there is more than one adjective, the adjectives are usually used in a fixed order.如果有一个以上的形容词，形容词通常按固定顺序排列。You say: · I had a nice long bath. ✗Don’t say: I had a long nice bath.应说：· I had a nice long bath. ✗不要说：I had a long nice bath.You say: · She wore a long black coat. ✗Don’t say: She wore a black long coat.Grammar guide ‒ ADJECTIVES应说：· She wore a long black coat. ✗不要说：She wore a black long coat.语法指南 ‒ 形容词THESAURUS同义词辨析long continuing for a long time持续很长时间的: · The film was very long.· 这部电影非常长。· There has been a long period without rain.· 已经有一段长时间没有下雨了。lengthy continuing for a long time, especially longer than you want or expect持续很长时间，尤指比所期望或预期的更长: · Drivers face lengthy delays on all roads out of the city.· 驾驶员在城市所有出口道路上都面临漫长的延误。· Police are going through the lengthy process of re-examining all the evidence.· 警方正在经历重新审查所有证据的漫长过程。· He faces a lengthy prison sentence.· 他面临漫长的监禁刑期。long-running [only before noun] continuing for a long time – used especially about disputes, campaigns, or shows持续很长时间——尤用于纠纷、运动或节目: · He has been involved in a long-running dispute with his neighbour.· 他与邻居之间存在一场长期持续的纷争。· The programme is one of the longest-running series on television.· 该节目是电视上播出时间最长的系列节目之一。· a long-running campaign to prevent the airport from being built· 一场阻止机场建设的长期运动long-lasting continuing for a long time – used especially about effects or relationships持续很长时间——尤用于效果或关系: · Stress can have long-lasting effects.· 压力可能产生持久的影响。· While at the school, she made many long-lasting friendships.· 在学校期间，她结下了许多持久的友谊。protracted formal正式 continuing for a long time, especially an unusually long time持续很长时间，尤指异常漫长的时间: · Despite protracted negotiations, they were unable to reach an agreement.· 尽管谈判旷日持久，他们仍未能达成协议。· The couple have been involved in a protracted battle for custody of their children.· 这对夫妇陷入了一场旷日持久的子女监护权争夺战。prolonged continuing for a long time, especially longer than expected, or longer in a way that makes a situation worse持续很长时间，尤指比预期的更长，或以使情况恶化的方式延长: · He returned to work after a prolonged absence.· 他在长期缺勤后重返工作岗位。· Studies have linked prolonged use of the drug to cancer.· 研究表明该药物的长期使用与癌症有关联。· a prolonged period of economic decline· 长期经济衰退期extended [only before noun] continuing for a long time – used especially about visits, trips, breaks etc that last longer than was planned持续很长时间——尤用于比原计划更长的访问、旅行、休息等: · an extended stay in hospital· 长期住院· He took an extended break from work after his father died.· 父亲去世后，他从工作中休了一段较长时间的假。· She didn’t like being away from home for extended periods.· 她不喜欢长时间离家。lasting [only before noun] strong enough or great enough to continue for a long time足够坚固或强大以持续很长时间的: · The negotiations were aimed at achieving a lasting peace.· 谈判旨在实现持久和平。· This affair has done lasting damage to the president’s credibility.· 这一事件对总统的公信力造成了持久损害。· The book left a lasting impression on me.· 这本书给我留下了深刻持久的印象。enduring continuing for a long time – used especially about memories, influences, or feelings of liking someone or something持续很长时间——尤用于记忆、影响或对某人或某物的喜爱之情: · One of my most enduring memories is of going on holiday to France with my parents.· 我最难忘的记忆之一是和父母去法国度假。· the enduring appeal of Conan Doyle’s stories· 柯南·道尔故事经久不衰的魅力· his enduring love for Ireland· 他对爱尔兰持久不变的热爱marathon [only before noun] continuing for a very long time and needing a lot of energy, patience, or determination持续非常长时间且需要大量精力、耐心或决心的: · It was a marathon session of talks which continued until 3 am.· 这是一场持续到凌晨3点的马拉松式会谈。· He arrived after a marathon journey across Europe.· 他在横跨欧洲的漫漫旅途后抵达。too long太长long-winded continuing for too long – used about speeches, answers, explanations etc持续时间过长——用于演讲、回答、解释等: · a very long-winded answer to a simple question· 对一个简单问题给出极其冗长的回答· He gave a long-winded speech about the company’s vision for the future.· 他就公司未来愿景发表了一篇冗长的演讲。interminable very long and boring非常漫长而无聊的: · They faced an interminable wait in the departure lounge of the airport.· 他们在机场候机厅里经历了漫无止境的等待。· The journey seemed interminable.· 那段旅途似乎没有尽头。long-drawn-out [only before noun] used about a process that continues for much too long用于描述持续时间远远过长的过程: · The news heightened expectations that the long-drawn-out investigation might be coming to a close.· 这则消息加深了人们对这场旷日持久的调查可能即将结束的期待。longlong2 adverb 1for a long time长时间地；很久: Have you been waiting long?你等很久了吗？ Reform of the law is long overdue.法律改革早就应该进行了。 long established traditions长期确立的传统2used to ask and talk about particular amounts of time用于询问和谈论特定的时间长度: How long will it take to get there?到那里需要多长时间？ Try to keep going for as long as possible.尽可能长时间地坚持下去。 It took me longer than I thought it would.这花的时间比我预想的要长。3at a time that is a long time before or after a particular time在某一特定时间之前或之后很长时间的时候long before/after something This all happened long before you were born.这一切都发生在你出生前很久。long ago/since He should have left her long ago.他早就应该离开她了。 It wasn’t long before (=soon) Lisa arrived.没多久（=很快）Lisa就到了。4 for long [usually in questions and negatives] for a long time长时间地；很久: Have you known them for long?你认识他们很久了吗？ I haven’t seen her for so long that I’ve forgotten what she looks like.我好久没见到她了，已经忘了她长什么样。5as/so long as a)used to say that one thing can happen or be true only if another thing happens or is true用于表示一件事只有在另一件事发生或为真的情况下才能发生或为真: You can go out to play as long as you stay in the back yard.只要你待在后院里，就可以出去玩。 b)used to say that one thing will continue to happen or be true if another thing happens or is true at the same time用于表示只要另一件事同时发生或为真，一件事就会持续发生或保持真实: As long as we keep playing well, we’ll keep winning games.只要我们保持好的发挥，就能持续赢得比赛。6(for) as long as used to talk about something continuing for the amount of time that you want, need, or is possible用于谈论某事持续所希望、所需要或可能的时间: You can stay for as long as you want.你想待多久就待多久。 She tried to stay awake for as long as she could.她尽力保持清醒，坚持了尽可能长的时间。 The fruit should be left on the tree as long as possible.水果应该尽可能长时间留在树上。7no longer/not any longer used when something used to happen or be true in the past but does not happen or is not true now用于表示某事过去曾发生或为真，但现在已不再如此: The extra workers won’t be needed any longer.不再需要额外的工人了。 It’s no longer a secret.这不再是秘密了。Register语体In everyday English, people usually say not any longer or not anymore (especially AmE)/not any more (BrE), rather than no longer, which sounds slightly formal or literary: He no longer lives here. ➔ He doesn’t live here any longer OR anymore.在日常英语中，人们通常说 not any longer 或 not anymore（尤为美式英语）/ not any more（英式英语），而不说 no longer，后者略显正式或文学化：He no longer lives here. ➔ He doesn't live here any longer OR anymore.8before long soon or in a short time不久；即将: Before long a large crowd had gathered outside the building.不久，大楼外聚集了一大群人。 It’s likely that the law will be abolished before long.这项法律很可能会在不久之后被废除。9somebody/something/it won’t be long spoken口语 used to say that someone or something will be ready, will be back, will happen etc soon用于表示某人或某事很快就会准备好、回来或发生等: Wait here – I won’t be long.在这里等着——我很快就回来。 Dinner won’t be long.晚饭快好了。10all day/year/summer etc long during all of the day etc整个白天等（全程）11so long spoken especially尤用于口语 American English goodbye再见12long live somebody/something used to show support for a person, idea, principle, or nation用于表达对某人、某想法、某原则或某国家的支持: Long live the King!国王万岁！
1for a long time长时间地；很久: Have you been waiting long?你等很久了吗？ Reform of the law is long overdue.法律改革早就应该进行了。 long established traditions长期确立的传统2used to ask and talk about particular amounts of time用于询问和谈论特定的时间长度: How long will it take to get there?到那里需要多长时间？ Try to keep going for as long as possible.尽可能长时间地坚持下去。 It took me longer than I thought it would.这花的时间比我预想的要长。3at a time that is a long time before or after a particular time在某一特定时间之前或之后很长时间的时候long before/after something This all happened long before you were born.这一切都发生在你出生前很久。long ago/since He should have left her long ago.他早就应该离开她了。 It wasn’t long before (=soon) Lisa arrived.没多久（=很快）Lisa就到了。4 for long [usually in questions and negatives] for a long time长时间地；很久: Have you known them for long?你认识他们很久了吗？ I haven’t seen her for so long that I’ve forgotten what she looks like.我好久没见到她了，已经忘了她长什么样。5as/so long as a)used to say that one thing can happen or be true only if another thing happens or is true用于表示一件事只有在另一件事发生或为真的情况下才能发生或为真: You can go out to play as long as you stay in the back yard.只要你待在后院里，就可以出去玩。 b)used to say that one thing will continue to happen or be true if another thing happens or is true at the same time用于表示只要另一件事同时发生或为真，一件事就会持续发生或保持真实: As long as we keep playing well, we’ll keep winning games.只要我们保持好的发挥，就能持续赢得比赛。6(for) as long as used to talk about something continuing for the amount of time that you want, need, or is possible用于谈论某事持续所希望、所需要或可能的时间: You can stay for as long as you want.你想待多久就待多久。 She tried to stay awake for as long as she could.她尽力保持清醒，坚持了尽可能长的时间。 The fruit should be left on the tree as long as possible.水果应该尽可能长时间留在树上。7no longer/not any longer used when something used to happen or be true in the past but does not happen or is not true now用于表示某事过去曾发生或为真，但现在已不再如此: The extra workers won’t be needed any longer.不再需要额外的工人了。 It’s no longer a secret.这不再是秘密了。Register语体In everyday English, people usually say not any longer or not anymore (especially AmE)/not any more (BrE), rather than no longer, which sounds slightly formal or literary: He no longer lives here. ➔ He doesn’t live here any longer OR anymore.在日常英语中，人们通常说 not any longer 或 not anymore（尤为美式英语）/ not any more（英式英语），而不说 no longer，后者略显正式或文学化：He no longer lives here. ➔ He doesn't live here any longer OR anymore.8before long soon or in a short time不久；即将: Before long a large crowd had gathered outside the building.不久，大楼外聚集了一大群人。 It’s likely that the law will be abolished before long.这项法律很可能会在不久之后被废除。9somebody/something/it won’t be long spoken口语 used to say that someone or something will be ready, will be back, will happen etc soon用于表示某人或某事很快就会准备好、回来或发生等: Wait here – I won’t be long.在这里等着——我很快就回来。 Dinner won’t be long.晚饭快好了。10all day/year/summer etc long during all of the day etc整个白天等（全程）11so long spoken especially尤用于口语 American English goodbye再见12long live somebody/something used to show support for a person, idea, principle, or nation用于表达对某人、某想法、某原则或某国家的支持: Long live the King!国王万岁！longlong3 verb [intransitive] to want something very much, especially when it seems unlikely to happen soon非常渴望某事，尤指当它看似短期内不太可能发生时long to do something He longed to see her again.他渴望再次见到她。long for She longed for the chance to speak to him in private.她渴望有机会单独和他说话。long for somebody to do something She longed for him to return.她渴望他回来。 → longed-for, longing
to want something very much, especially when it seems unlikely to happen soon非常渴望某事，尤指当它看似短期内不太可能发生时long to do something He longed to see her again.他渴望再次见到她。long for She longed for the chance to speak to him in private.她渴望有机会单独和他说话。long for somebody to do something She longed for him to return.她渴望他回来。 → longed-for, longing