before 的英语意思
beforebefore1 /bɪˈfɔː $ -ˈfɔːr/ conjunction 
查看全部语言翻译1earlier than a particular event or action在某一事件或行为之前 OPP after: 
Say goodbye before you go.走之前道个别。 I saw her a few days before she died.她去世前几天我见过她。2so that something does not or cannot happen以免某事发生或无法发生: Put that money somewhere safe before it gets stolen.把那笔钱放到安全的地方，以免被偷。 That dog ought to be destroyed before it attacks any more children.那只狗应该在再次伤害孩子之前被处置掉。 Before I could say anything more, Holmes had rushed off towards the station.我还没来得及再说什么，霍姆斯便冲向了车站。3used to say that something happens after a period of time用于表示某事在经过一段时间后才发生: It was several minutes before we realised what was happening.过了好几分钟我们才意识到发生了什么。 It will be a while before we know the results.还需要一段时间我们才能知道结果。4used to say that something must happen in order for something else to be possible用于表示某事必须先发生，另一件事才有可能实现: You have to pass a test before you can get a licence.你必须先通过考试才能取得执照。5 spoken口语 used to warn someone that something bad will happen to them if they do not do something用于警告某人若不采取某行动将会有不好的后果: Get out before I call the police!快出去，否则我就报警！6used to emphasize that someone does not want to do something用于强调某人极不愿意做某事: She would die before she would admit she was wrong.她宁死也不肯承认自己错了。GRAMMAR: Choosing the right tense语法：选择正确的时态You use the present simple with before to talk about a future event. Don’t use ‘will’. You say: · I want to get home before it rains. ✗Don’t say: before it will rainGrammar guide ‒ VERBS用 before 谈论将来事件时，使用一般现在时，不用 'will'。应说：· I want to get home before it rains. ✗不说：before it will rain 语法指南 ‒ 动词
查看全部语言翻译1earlier than a particular event or action在某一事件或行为之前 OPP after: Say goodbye before you go.走之前道个别。 I saw her a few days before she died.她去世前几天我见过她。2so that something does not or cannot happen以免某事发生或无法发生: Put that money somewhere safe before it gets stolen.把那笔钱放到安全的地方，以免被偷。 That dog ought to be destroyed before it attacks any more children.那只狗应该在再次伤害孩子之前被处置掉。 Before I could say anything more, Holmes had rushed off towards the station.我还没来得及再说什么，霍姆斯便冲向了车站。3used to say that something happens after a period of time用于表示某事在经过一段时间后才发生: It was several minutes before we realised what was happening.过了好几分钟我们才意识到发生了什么。 It will be a while before we know the results.还需要一段时间我们才能知道结果。4used to say that something must happen in order for something else to be possible用于表示某事必须先发生，另一件事才有可能实现: You have to pass a test before you can get a licence.你必须先通过考试才能取得执照。5 spoken口语 used to warn someone that something bad will happen to them if they do not do something用于警告某人若不采取某行动将会有不好的后果: Get out before I call the police!快出去，否则我就报警！6used to emphasize that someone does not want to do something用于强调某人极不愿意做某事: She would die before she would admit she was wrong.她宁死也不肯承认自己错了。GRAMMAR: Choosing the right tense语法：选择正确的时态You use the present simple with before to talk about a future event. Don’t use ‘will’. You say: · I want to get home before it rains. ✗Don’t say: before it will rainGrammar guide ‒ VERBS用 before 谈论将来事件时，使用一般现在时，不用 'will'。应说：· I want to get home before it rains. ✗不说：before it will rain 语法指南 ‒ 动词beforebefore2 preposition 1earlier than something or someone早于某事物或某人 OPP after: The new road should be completed before the end of the year.新道路应在年底前竣工。 Let’s meet at our house before the show.演出前我们在家里碰个面吧。 Larry arrived home before me.拉里比我先到家。five minutes/two hours etc before something Hugh arrived just five minutes before the ceremony.休在典礼开始前仅仅五分钟才到。before doing something I usually take a shower before having my breakfast.我通常先洗澡再吃早饭。 We only got back from Scotland the day before yesterday (=two days ago).我们前天（即两天前）才从苏格兰回来。 Other students joined in the protest, and before long (=soon) there was a crowd of 200 or so.其他学生也加入了抗议，不久（=很快）便聚集了大约200人的人群。2ahead of someone or something else in a list or order在名单或顺序中排在某人或某事物之前 OPP after: You were before me in the queue.你在队伍里排在我前面。 The files are in alphabetical order, so B1 comes before C1.文件按字母顺序排列，所以B1排在C1前面。3used to say that something happens where it can be watched by people用于表示某事在众人可以观看的场合发生 SYN in front of: Italy will face Brazil this afternoon before a crowd of 100,000 spectators.意大利今天下午将在100,000名观众面前迎战巴西。 an actor who had performed before the Queen曾在女王面前表演过的演员4used to say that someone or something comes to be judged or considered by a person or group of people用于表示某人或某事被某人或某群体审议或考量: The proposal was put before the planning committee.该提案被提交规划委员会审议。5used to say that one thing or person is considered more important than another用于表示某事物或某人被认为比另一个更重要: I put my wife and kids before anyone else.我把妻子和孩子放在任何人之上。 In the air transport business, safety must always come before profit.在航空运输业中，安全必须永远优先于利润。6formal正式 in front of something or someone在某物或某人的面前: The priest stood before the altar.神父站在圣坛前。 The sea stretched out before them.大海在他们面前延伸开来。7if one place is before another place on a road or journey, the first place is nearer to you than the second, so you will reach it first若在道路或旅程中某地点排在另一地点之前，则第一个地点比第二个距你更近，你将先到达那里 OPP after: The pub is 100 metres before the church on the right.那家酒吧在右边教堂前方100米处。 the last station before the Simplon Tunnel辛普朗隧道前的最后一站8formal正式 if there is a job or situation before you, you will have to do the job or face the situation如果某项任务或某种处境摆在你面前，你就必须完成该任务或面对该处境 SYN ahead of: The task of emptying the house lay before us.清空房屋的任务摆在我们面前。9formal正式 if a period of time is before you, it is about to start and you can do what you want during it如果一段时间摆在你面前，那段时间即将开始，你可以在此期间随心所欲 SYN in front of: We had a glorious summer afternoon before us to do as we pleased.我们面前有一个美好的夏日午后，可以随心所欲地享用。 You have your whole life before you.你的整个人生都在前方等着你。THESAURUS同义词辨析before earlier than something or someone早于某事物或某人: · She could read before she started school.· 她在上学前就会读书了。· Do you want to have a shower before me?· 你想比我先洗澡吗？prior to formal正式 before something happens在某事发生之前: · Please arrive at the airport two hours prior to departure.· 请在出发前两小时到达机场。by no later than a particular time or date不迟于某一时间或日期: · The children are usually in bed by 9 o'clock.· 孩子们通常在9点前就上床睡觉了。· We have to be out of our hotel room by 10 o'clock.· 我们必须在10点前退房。earlier before now, or before the time you are talking about在现在之前，或在你所谈论的时间之前: · I saw her earlier.· 我早些时候见过她。· I had sent the letter earlier in the week.· 我在那周早些时候就寄出了那封信。previously before now, or before a time in the past在现在之前，或在过去某一时间之前: · He previously worked as an electrician.· 他以前当过电工。· The show starred a previously unknown actress called Jennifer Aniston.· 该节目主演是一位此前默默无闻的女演员，名叫詹妮弗·安妮斯顿。in advance before something happens – used especially when talking about the arrangements for something在某事发生之前——尤用于谈论某事的安排或准备: · Let me know in advance if you are going to be late.· 如果你要迟到，请提前告诉我。· The landlord wants three months’ rent in advance.· 房东要求预付三个月的房租。beforehand (also ahead of time) before something happens, especially so that you are ready在某事发生之前，尤指为了提前做好准备: · I wish we had known about all this beforehand.· 我真希望我们事先就知道这一切。· It’s always best to decide beforehand how much you want to pay.· 事先决定好自己要花多少钱总是最好的。
1earlier than something or someone早于某事物或某人 OPP after: The new road should be completed before the end of the year.新道路应在年底前竣工。 Let’s meet at our house before the show.演出前我们在家里碰个面吧。 Larry arrived home before me.拉里比我先到家。five minutes/two hours etc before something Hugh arrived just five minutes before the ceremony.休在典礼开始前仅仅五分钟才到。before doing something I usually take a shower before having my breakfast.我通常先洗澡再吃早饭。 We only got back from Scotland the day before yesterday (=two days ago).我们前天（即两天前）才从苏格兰回来。 Other students joined in the protest, and before long (=soon) there was a crowd of 200 or so.其他学生也加入了抗议，不久（=很快）便聚集了大约200人的人群。2ahead of someone or something else in a list or order在名单或顺序中排在某人或某事物之前 OPP after: You were before me in the queue.你在队伍里排在我前面。 The files are in alphabetical order, so B1 comes before C1.文件按字母顺序排列，所以B1排在C1前面。3used to say that something happens where it can be watched by people用于表示某事在众人可以观看的场合发生 SYN in front of: Italy will face Brazil this afternoon before a crowd of 100,000 spectators.意大利今天下午将在100,000名观众面前迎战巴西。 an actor who had performed before the Queen曾在女王面前表演过的演员4used to say that someone or something comes to be judged or considered by a person or group of people用于表示某人或某事被某人或某群体审议或考量: The proposal was put before the planning committee.该提案被提交规划委员会审议。5used to say that one thing or person is considered more important than another用于表示某事物或某人被认为比另一个更重要: I put my wife and kids before anyone else.我把妻子和孩子放在任何人之上。 In the air transport business, safety must always come before profit.在航空运输业中，安全必须永远优先于利润。6formal正式 in front of something or someone在某物或某人的面前: The priest stood before the altar.神父站在圣坛前。 The sea stretched out before them.大海在他们面前延伸开来。7if one place is before another place on a road or journey, the first place is nearer to you than the second, so you will reach it first若在道路或旅程中某地点排在另一地点之前，则第一个地点比第二个距你更近，你将先到达那里 OPP after: The pub is 100 metres before the church on the right.那家酒吧在右边教堂前方100米处。 the last station before the Simplon Tunnel辛普朗隧道前的最后一站8formal正式 if there is a job or situation before you, you will have to do the job or face the situation如果某项任务或某种处境摆在你面前，你就必须完成该任务或面对该处境 SYN ahead of: The task of emptying the house lay before us.清空房屋的任务摆在我们面前。9formal正式 if a period of time is before you, it is about to start and you can do what you want during it如果一段时间摆在你面前，那段时间即将开始，你可以在此期间随心所欲 SYN in front of: We had a glorious summer afternoon before us to do as we pleased.我们面前有一个美好的夏日午后，可以随心所欲地享用。 You have your whole life before you.你的整个人生都在前方等着你。THESAURUS同义词辨析before earlier than something or someone早于某事物或某人: · She could read before she started school.· 她在上学前就会读书了。· Do you want to have a shower before me?· 你想比我先洗澡吗？prior to formal正式 before something happens在某事发生之前: · Please arrive at the airport two hours prior to departure.· 请在出发前两小时到达机场。by no later than a particular time or date不迟于某一时间或日期: · The children are usually in bed by 9 o'clock.· 孩子们通常在9点前就上床睡觉了。· We have to be out of our hotel room by 10 o'clock.· 我们必须在10点前退房。earlier before now, or before the time you are talking about在现在之前，或在你所谈论的时间之前: · I saw her earlier.· 我早些时候见过她。· I had sent the letter earlier in the week.· 我在那周早些时候就寄出了那封信。previously before now, or before a time in the past在现在之前，或在过去某一时间之前: · He previously worked as an electrician.· 他以前当过电工。· The show starred a previously unknown actress called Jennifer Aniston.· 该节目主演是一位此前默默无闻的女演员，名叫詹妮弗·安妮斯顿。in advance before something happens – used especially when talking about the arrangements for something在某事发生之前——尤用于谈论某事的安排或准备: · Let me know in advance if you are going to be late.· 如果你要迟到，请提前告诉我。· The landlord wants three months’ rent in advance.· 房东要求预付三个月的房租。beforehand (also ahead of time) before something happens, especially so that you are ready在某事发生之前，尤指为了提前做好准备: · I wish we had known about all this beforehand.· 我真希望我们事先就知道这一切。· It’s always best to decide beforehand how much you want to pay.· 事先决定好自己要花多少钱总是最好的。beforebefore3 adverb 1at an earlier time在较早的时候；以前: Haven’t I met you before somewhere?我以前在什么地方见过你吧？ Never before had he seen so many people starving.他以前从未见过这么多人在挨饿。 She looked just the same as before.她看起来和以前一模一样。2the day/week/month etc before the previous day, week, month etc前一天、前一周、前一个月等 OPP after: She was in Paris last week and in Rome the week before.她上周在巴黎，再上一周在罗马。3 old use旧式 ahead of someone or something else在某人或某物的前面: The king’s herald walked before.国王的传令官走在前面。
1at an earlier time在较早的时候；以前: Haven’t I met you before somewhere?我以前在什么地方见过你吧？ Never before had he seen so many people starving.他以前从未见过这么多人在挨饿。 She looked just the same as before.她看起来和以前一模一样。2the day/week/month etc before the previous day, week, month etc前一天、前一周、前一个月等 OPP after: She was in Paris last week and in Rome the week before.她上周在巴黎，再上一周在罗马。3 old use旧式 ahead of someone or something else在某人或某物的前面: The king’s herald walked before.国王的传令官走在前面。