查词 - warn

warn

wɔːn verb

1 to tell someone that something bad or dangerous may happen, so that they can avoid it or prevent it 警告，告诫; 提醒

‘Be careful, the rocks are slippery,’ Alex warned.

“小心，岩石很滑。”亚历克斯提醒说。

warn sb about sth

Travellers to Africa are being warned about the danger of HIV infection.

到非洲去旅行的人被提醒要注意预防艾滋病的感染。

warn (sb) of sth

Salmon farmers are warning of the severe crisis facing the industry.

鲑鱼养殖场主提醒说本行业正面临严重危机。

warn sb (not) to do sth

I warned you not to walk home alone.

我告诫过你不要一个人走回家。

Motorists are being warned to avoid the centre of London this weekend.

驾车者被提醒本周末要避开伦敦市中心。

We warned them that there was a bull in the field.

我们提醒他们，田里有一头公牛。

2 to tell someone about something before it happens so that they are not worried or surprised by it 预先通知〔某人以免着急或惊讶〕

Warn her you’re going to be back late.

提前告诉她你要晚回去。

3 to advise someone not to do something because it may have dangerous or unpleasant results 〔因可能有危险或产生不良结果而〕告诫（某人）不要做〔某事〕

Her financial adviser warned her against such a risky investment.

她的理财顾问告诫过她不要进行风险那么大的投资。

warn (sb) against doing sth

The police have warned tourists against leaving the main tourist centres.

警察告诫旅游者不要离开主要旅游中心。

4 to tell someone that they should not go near something, especially because it may be dangerous 警告〔某人〕不要靠近

The snake’s markings are intended to warn away predators.

蛇身上的斑纹是用来警告捕食者远离自己的。

5 to tell people that they should not go near something, especially because it might be dangerous 警告〔某人〕不要靠近

Some animals mark their territory to warn off rivals.

有些动物标出自己的地盘，警告竞争者不要靠近。

6 to tell someone that they should not do or use something because it might be dangerous [尤英] 告诫〔某人〕不要做〔某事〕 especially BrE

warn sb off doing sth

Doctors should have warned people off using the drug much earlier than they did.

医生早就应该告诫人们不要使用这种药品。