1warn sb (of sth);warn sb (about sb/sth) to tell sb about sth unpleasant or dangerous that exists or might happen, so that he/she can avoid it 警告,提醒(某事可能要发生):
When I saw the car coming I tried to warn him, but it was too late.我看到那辆车开过来就要警告他,但已经太迟了。The government is warning the public of possible terrorist attacks.政府警告公众,恐怖分子可能发动攻击。He warned me about the danger of walking home alone at night.他提醒我夜里独自步行回家有危险。
2warn (sb) against doing sth;warn sb (not to do sth) to advise sb not to do sth 提醒,告诫(不要做某事):
The radio warned people against going out during the storm.电台告诫人们暴风雨时不要出门。I warned you not to trust him.我提醒过你不要相信他。
warn/wɔrn; wɔːn/v [T]1 to tell someone that something bad or dangerous may happen, so that they can avoid it or prevent it 警告﹔提醒: We tried to warn her, but she wouldn’t listen. 我们尽力提醒她﹐但她不愿听。warn sb (that) We warned them that there was a bull in the field. 我们提醒他们﹐田里有一头公牛。warn sb about/of sth Travellers are being warned about the danger of HIV infection. 提醒旅行者要注意预防艾滋病感染。warn sb to do sth We warned them to be careful. 我们提醒他们要小心。COMMUNICATION 交际用法warn someone 警告某人be careful 小心﹐注意: Be careful on the ice. 走在冰上要小心。look out/watch out 小心﹐当心: Look out! There's a car coming. 当心!有车来了。mind 小心﹐当心: Mind the step. 小心台阶。beware of sth written 【书面】谨防某事物: Beware of the dog. 小心有狗。2 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后果而〕告诫〔某人不要做某事〕: warn sb against sth He warned her against such a risky investment. 他告诫过她不要进行风险那么大的投资。warn sb not to do sth I warned her not to walk home alone. 我告诫过她不要一个人走回家。3 to tell someone about something before it happens so that they are not worried or surprised by it 预先通知〔某人以免担忧或惊讶〕: warn sb (that) Can you warn your mother that you’ll be back late? 你能提前告诉你妈妈你会晚归吗?
warnwarnwarnswarnedwarningverb (warns, warning, warned)to tell somebody about danger or about something bad that may happen: I warned him not to go too close to the fire.