warn 的英语意思
warnwarn /wɔːn $ wɔːrn/ verb [intransitive, transitive] 
查看全部语言翻译1to tell someone that something bad or dangerous may happen, so that they can avoid it or prevent it告知某人某件坏事或危险情况可能发生，使其得以回避或预防: 
‘Be careful, the rocks are slippery,’ Alex warned."小心，岩石很滑，"Alex警告道。warn somebody about something Travellers to Africa are being warned about the danger of HIV infection.前往非洲的旅客正在被警告HIV感染的危险。warn (somebody) of something Salmon farmers are warning of the severe crisis facing the industry.三文鱼养殖者就该行业面临的严重危机发出警告。warn somebody (not) to do something I warned you not to walk home alone.我警告过你不要一个人走路回家。 Motorists are being warned to avoid the centre of London this weekend.驾车者正被警告本周末避开伦敦市中心。warn somebody (that) We warned them that there was a bull in the field.我们警告他们田野里有一头公牛。2to tell someone about something before it happens so that they are not worried or surprised by it在某事发生前告知某人，使其不至于担心或感到意外warn somebody (that) Warn her you’re going to be back late.提前告诉她你会很晚回来。Register语体In everyday English, people often use the expression let someone know rather than warn someone:· Let me know if you’re not going to finish on time.在日常英语中，人们常用 let someone know 代替 warn someone：· 如果你赶不及时完成，请告诉我。GRAMMAR: Patterns with warn语法：warn 的句型• You warn someone that something will happen (=you say it will definitely happen): · I must warn you that the treatment will have side effects.• 用 warn someone that something will happen（即你表示某事必然会发生）：· 我必须提醒你，该治疗会产生副作用。• In the past, you say that someone warned that something would happen (=they said that it would definitely happen): · Campaigners warned that the airport would harm the environment.• 过去时中，表示某人警告某事将会发生（即他们表示某事必然会发生）：· 活动人士警告说，机场将对环境造成危害。• You warn that something might happen or could happen: · He warned that there might be another war.• 用 warn that something might happen 或 could happen（某事可能发生）：· 他警告说可能会再次爆发战争。• Warn is also often used in the passive. You say that someone was warned about something: · We were warned about the dangers of global warming.Grammar guide ‒ VERBS• warn 也常用于被动语态。表示某人被警告某事：· 我们被告知了全球变暖的危险性。语法指南 ‒ 动词THESAURUS同义词辨析warn to tell someone about something bad or dangerous that might happen, so that they can avoid it or prevent it告知某人某件坏事或危险情况可能会发生，使其得以回避或预防: · I warned you about sitting out in the sun too long.· 我警告过你不要在太阳下坐太久了。· We were warned that there could be delays on the motorway, so we took another route.· 我们被告知高速公路可能会出现延误，所以走了另一条路。give somebody a warning to tell someone that if they continue to behave in an unsatisfactory way, they will be punished告知某人若继续表现不佳将受到惩处: · He’s already been given several warnings about handing in his essays late.· 他因多次迟交论文已经受到了多次警告。· The US gave a warning that if the hostages were not released, it would be forced to take military action.· 美国发出警告，称若人质未获释放，将被迫采取军事行动。alert to officially or publicly warn people of possible danger so that they can prevent it or be ready to deal with it正式或公开地警告人们可能存在的危险，以便预防或做好应对准备: · a campaign to alert people to the dangers of smoking· 一场提醒公众注意吸烟危害的宣传活动· An anonymous caller alerted the police that a bomb was due to go off.· 一名匿名来电者通报警方，有一枚炸弹即将爆炸。tip somebody off informal非正式 to secretly warn someone about something that is going to happen – used especially about warning the police about a crime秘密地预先告知某人即将发生的事——尤指向警方举报犯罪: · The police found the drugs after being tipped off by local residents.· 警方在当地居民举报后发现了毒品。· Informants tipped the FBI off.· 线人向联邦调查局透露了消息。caution formal正式 to warn someone to do or not to do something in order to avoid a dangerous or bad result警告某人去做或不要做某事，以避免危险或不良后果: · People are being cautioned against using credit cards abroad, in case of fraud.· 人们被告诫在境外使用信用卡须小心，以防诈骗。· Health officials have cautioned the public to wash fruit thoroughly before eating it.· 卫生官员提醒公众在食用前要彻底清洗水果。forewarn /fɔːˈwɔːn $ fɔːrˈwɔːrn/ [usually passive] formal正式 to warn someone about something that is going to happen, so that they are expecting it or ready for it提前告知某人即将发生的事，使其有所预期或做好准备: · We had been forewarned that the roads weren’t very good.· 我们事先得到了道路状况不佳的警告。warn (somebody) against something phrasal verb to advise someone not to do something because it may have dangerous or unpleasant results劝告某人不要做某事，因为可能带来危险或令人不快的后果: Her financial adviser warned her against such a risky investment.她的财务顾问警告她不要进行如此冒险的投资。warn (somebody) against doing something The police have warned tourists against leaving the main tourist centres.警方警告游客不要离开主要旅游中心。warn somebody ↔ away phrasal verb to tell someone that they should not go near something, especially because it may be dangerous告知某人不要靠近某物，尤指因其可能有危险: The snake’s markings are intended to warn away predators.蛇身上的花纹意在警告天敌远离。warn off phrasal verb1 warn somebody ↔ off to tell people that they should not go near something, especially because it might be dangerous告知人们不要靠近某物，尤指因其可能有危险: Some animals mark their territory to warn off rivals.一些动物通过标记领地来驱赶竞争者。2 warn somebody off (doing) something especially British English to tell someone that they should not do or use something because it might be dangerous告知某人不应做或使用某物，因为其可能有危险: Doctors should have warned people off using the drug much earlier than they did.医生本应比实际更早地警告人们不要使用该药物。
查看全部语言翻译1to tell someone that something bad or dangerous may happen, so that they can avoid it or prevent it告知某人某件坏事或危险情况可能发生，使其得以回避或预防: ‘Be careful, the rocks are slippery,’ Alex warned."小心，岩石很滑，"Alex警告道。warn somebody about something Travellers to Africa are being warned about the danger of HIV infection.前往非洲的旅客正在被警告HIV感染的危险。warn (somebody) of something Salmon farmers are warning of the severe crisis facing the industry.三文鱼养殖者就该行业面临的严重危机发出警告。warn somebody (not) to do something I warned you not to walk home alone.我警告过你不要一个人走路回家。 Motorists are being warned to avoid the centre of London this weekend.驾车者正被警告本周末避开伦敦市中心。warn somebody (that) We warned them that there was a bull in the field.我们警告他们田野里有一头公牛。2to tell someone about something before it happens so that they are not worried or surprised by it在某事发生前告知某人，使其不至于担心或感到意外warn somebody (that) Warn her you’re going to be back late.提前告诉她你会很晚回来。Register语体In everyday English, people often use the expression let someone know rather than warn someone:· Let me know if you’re not going to finish on time.在日常英语中，人们常用 let someone know 代替 warn someone：· 如果你赶不及时完成，请告诉我。GRAMMAR: Patterns with warn语法：warn 的句型• You warn someone that something will happen (=you say it will definitely happen): · I must warn you that the treatment will have side effects.• 用 warn someone that something will happen（即你表示某事必然会发生）：· 我必须提醒你，该治疗会产生副作用。• In the past, you say that someone warned that something would happen (=they said that it would definitely happen): · Campaigners warned that the airport would harm the environment.• 过去时中，表示某人警告某事将会发生（即他们表示某事必然会发生）：· 活动人士警告说，机场将对环境造成危害。• You warn that something might happen or could happen: · He warned that there might be another war.• 用 warn that something might happen 或 could happen（某事可能发生）：· 他警告说可能会再次爆发战争。• Warn is also often used in the passive. You say that someone was warned about something: · We were warned about the dangers of global warming.Grammar guide ‒ VERBS• warn 也常用于被动语态。表示某人被警告某事：· 我们被告知了全球变暖的危险性。语法指南 ‒ 动词THESAURUS同义词辨析warn to tell someone about something bad or dangerous that might happen, so that they can avoid it or prevent it告知某人某件坏事或危险情况可能会发生，使其得以回避或预防: · I warned you about sitting out in the sun too long.· 我警告过你不要在太阳下坐太久了。· We were warned that there could be delays on the motorway, so we took another route.· 我们被告知高速公路可能会出现延误，所以走了另一条路。give somebody a warning to tell someone that if they continue to behave in an unsatisfactory way, they will be punished告知某人若继续表现不佳将受到惩处: · He’s already been given several warnings about handing in his essays late.· 他因多次迟交论文已经受到了多次警告。· The US gave a warning that if the hostages were not released, it would be forced to take military action.· 美国发出警告，称若人质未获释放，将被迫采取军事行动。alert to officially or publicly warn people of possible danger so that they can prevent it or be ready to deal with it正式或公开地警告人们可能存在的危险，以便预防或做好应对准备: · a campaign to alert people to the dangers of smoking· 一场提醒公众注意吸烟危害的宣传活动· An anonymous caller alerted the police that a bomb was due to go off.· 一名匿名来电者通报警方，有一枚炸弹即将爆炸。tip somebody off informal非正式 to secretly warn someone about something that is going to happen – used especially about warning the police about a crime秘密地预先告知某人即将发生的事——尤指向警方举报犯罪: · The police found the drugs after being tipped off by local residents.· 警方在当地居民举报后发现了毒品。· Informants tipped the FBI off.· 线人向联邦调查局透露了消息。caution formal正式 to warn someone to do or not to do something in order to avoid a dangerous or bad result警告某人去做或不要做某事，以避免危险或不良后果: · People are being cautioned against using credit cards abroad, in case of fraud.· 人们被告诫在境外使用信用卡须小心，以防诈骗。· Health officials have cautioned the public to wash fruit thoroughly before eating it.· 卫生官员提醒公众在食用前要彻底清洗水果。forewarn /fɔːˈwɔːn $ fɔːrˈwɔːrn/ [usually passive] formal正式 to warn someone about something that is going to happen, so that they are expecting it or ready for it提前告知某人即将发生的事，使其有所预期或做好准备: · We had been forewarned that the roads weren’t very good.· 我们事先得到了道路状况不佳的警告。warn (somebody) against something phrasal verb to advise someone not to do something because it may have dangerous or unpleasant results劝告某人不要做某事，因为可能带来危险或令人不快的后果: Her financial adviser warned her against such a risky investment.她的财务顾问警告她不要进行如此冒险的投资。warn (somebody) against doing something The police have warned tourists against leaving the main tourist centres.警方警告游客不要离开主要旅游中心。warn somebody ↔ away phrasal verb to tell someone that they should not go near something, especially because it may be dangerous告知某人不要靠近某物，尤指因其可能有危险: The snake’s markings are intended to warn away predators.蛇身上的花纹意在警告天敌远离。warn off phrasal verb1 warn somebody ↔ off to tell people that they should not go near something, especially because it might be dangerous告知人们不要靠近某物，尤指因其可能有危险: Some animals mark their territory to warn off rivals.一些动物通过标记领地来驱赶竞争者。2 warn somebody off (doing) something especially British English to tell someone that they should not do or use something because it might be dangerous告知某人不应做或使用某物，因为其可能有危险: Doctors should have warned people off using the drug much earlier than they did.医生本应比实际更早地警告人们不要使用该药物。