warn
- v.警告;告诫;使警惕;劝告(使有所防备);提醒注意(可能发生的事)
过去式： warned 现在分词： warning 过去分词： warned 第三人称单数： warns
war(e) 保护,守卫 + -n suffix表示“发展”、“创造”或“状态的加剧”:widen|deepen|loosen
warnverb
提醒注意（可能发生的事）；使警惕
to tell sb about sth, especially sth dangerous or unpleasant that is likely to happen, so that they can avoid it
I tried to warn him, but he wouldn't listen.
我设法提醒过他，可他就是不听。
If you're thinking of getting a dog, be warned ─they take a lot of time and money.
如果你想养条狗，有话说在前头，那可既费时间又费钱。
He warned us against pickpockets.
他提醒我们要提防小偷。
She was warned that if she did it again she would lose her job.
她被警告说如果她再这样做就会丢掉工作。
I had been warned what to expect.
有人事先告诉过我要出什么事。
Police have warned of possible delays.
警方已经通知可能会廷期。
劝告（使有所防备）；警告；告诫
to strongly advise sb to do or not to do sth in order to avoid danger or punishment
The guidebook warns against walking alone at night.
这本指南告诫夜间不要单独行走。
He warned Billy to keep away from his daughter.
他警告比利离他女儿远点。
警告
to give sb an official warning after they have broken a rule
The referee warned him for dangerous play.
裁判警告他有危险动作。
warn
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1
VERB 提醒;警告
If you warn someone about something such as a possible danger or problem, you tell them about it so that they are aware of it.When I had my first baby friends warned me that children were expensive...
当我有了第一个孩子时，朋友们提醒我说养孩子是很花钱的。
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2
VERB 警告，告诫(不要做…)
If you warn someone not to do something, you advise them not to do it so that they can avoid possible danger or punishment.Mrs. Blount warned me not to interfere...
布朗特夫人警告我不要插手。
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3
CONVENTION 小心;提防
If someone says to you 'be warned', they are advising you to be cautious, because there are risks that you may not have thought about.But be warned: this is not a cheap option.
但要慎重：这个选择代价不菲。
verb
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1
- notify, usually in advance
- I warned you that I would ask some difficult questions
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2
- ask to go away
- The old man warned the children off his property
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3
- notify of danger, potential harm, or risk
- The director warned him that he might be fired
- The doctor warned me about the dangers of smoking
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4
- admonish or counsel in terms of someone's behavior
- I warned him not to go too far
- I warn you against false assumptions
- She warned him to be quiet
- Synonym: discourage admonish monish
数据来源：WordNet
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And even Xinhua scolded the city government , accusing it of failing to enforce emergency measures to cut smog and to warn citizens to stay indoors .
就连新华社也批评沈阳市政府未能实施紧急措施来减少雾霾，并且劝告市民留在室内。
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Air pollution inside the home is putting people at risk of developing heart disease , cancer and breathing problems , experts have today warned .
专家提醒注意，家里的空气污染正在将人们置于患病的危险之中，这些疾病包括心脏病、癌症和呼吸困难。
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I 'm warning you for the last time ─ stop talking !
我最后一次警告你——闭嘴！
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These figures should come with a government health warning .
这些数字须附以谨慎对待的警告。
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Please give us advance warning of any changes .
如有变动，请事先通知我们。
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I think the owners are at fault for not warning us .
我认为业主没有提醒我们是有责任的。
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It seems only right to warn you of the risk .
似乎应该警告你有风险。
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Chest pains can be a warning signal of heart problems .
胸部疼痛可能是心脏病的报警信号。
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The computer is programmed to warn users before information is deleted .
这台计算机编程时已设计在信息删除前提醒用户。
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People were swimming in the ocean despite the hurricane warning .
尽管有飓风警报，人们仍然在大海里游泳。
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She was warned that if she did it again she would lose her job .
她被警告说如果她再这样做就会丢掉工作。
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He called out a warning from the kitchen .
他在厨房里大声发出警告。
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She had ignored the warning signs of trouble ahead .
她没有理会警示前方危险的标志。
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Doctors issued a warning against eating any fish caught in the river .
医生发出警告不要吃在那条河里捕的鱼。
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A warning voice admonished him not to let this happen .
他耳边响起警钟，警告他别让这种事情发生。
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If I had noticed the warning signs , none of this would have happened .
如果我注意到了那些预警征兆，这种事就一桩也不会发生了。
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He warned me not to be late .
他提醒我不要迟到。
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' I warned you not to phone me , ' he said evenly .
“我告诫过你不要给我打电话。”他平静地说。
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Police fired a number of warning shots .
警方多次鸣枪警告。
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I tried to warn him , but he wouldn 't listen .
我设法提醒过他，可他就是不听。
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His warning was still ringing in my ears .
他的警告依然在我耳边回响。
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We cannot afford to ignore this warning .
我们对这个警告绝不能等闲视之。
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The bridge collapsed without warning .
那座桥在没有任何先兆的情况下坍塌了。
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There is a new device for cars that warns drivers of traffic jams ahead .
有一种新的汽车装置可提醒司机前面有交通堵塞。
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Cigarettes carry a health warning .
香烟上标注着有害健康的警告。
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Even as he shouted the warning the car skidded .
他正在高喊注意时，汽车就打滑了。
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I heard her warning shout too late .
我听到她的大声警告，但已经太晚了。
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Police are warning the public to be on the alert for suspicious packages .
警方警告公众要警惕可疑包裹。
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The government has warned of stormy waters ahead .
政府已告诫说，以后的局势将很严峻。
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After the bomb warning , police cleared the streets .
接到有炸弹的警告后，警察疏散了街上的行人。
指针对有潜在危险、困难等的事物提出警告，含劝告某人小心行事的意味。
They cautioned him against acting recklessly on the journey.
他们提醒他路上不要莽撞行事。
I'd caution you against undue optimism.
我奉劝你不要过于乐观。
语气较强，主要指对重要问题提出劝告、建议等。
His lawyer counselled him to do nothing.
他的律师劝告他什么也不要做。
The representatives were wise to counsel caution about miliary intervention.
代表们提出进行军事干预要慎重，这是很明智的。
Why did she counsel them to accept the settlement?
为什么她建议他们接受那个方案？
指对确实存在的危险、麻烦等予以警告，比 caution 语气更强，尤强调后果。
He warned her not to walk home alone.
他告诫她不要独自步行回家。
The police warned them not to go out at night.
警察告诫他们夜间不要出门。
He warned the tourists against pickpockets.
他提醒游客要提防小偷。
- 短语动词