问warn sb.of sth.的详细用法,与warn sb about sth的区别,有例句warn sb of sth 的用法和注意点,与warn sb about sth的区别,有例句更好!

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问warn sb.of sth.的详细用法,与warn sb about sth的区别,有例句
warn sb of sth 的用法和注意点,与warn sb about sth的区别,有例句更好!

应该没有区别.如果是在说有的话,应该是about后面加的被warn的直接逻辑主语,而of后可能加的源头.
比较难说清楚,英文的逻辑比中文严密.
看以下例子,两句意思一样
Travellers to Africa are being warned about the danger of HIV infection.
Travellers to Africa are being warned of HIV infection.

warn sb. (not) to do sth. 提醒(警告)某人(不)做某事
有时也可以用下面的结构表达:
warn sb. of sth.
He has been warned of danger of driving after drinking wine.
他已被提醒过酒后开车危险。
warn sb. about / against sb...

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warn sb. (not) to do sth. 提醒(警告)某人(不)做某事
有时也可以用下面的结构表达:
warn sb. of sth.
He has been warned of danger of driving after drinking wine.
他已被提醒过酒后开车危险。
warn sb. about / against sb. / sth. 或 warn sb. against doing sth.
提醒某人/警告某人不要做某事。例:
He warned us about the serious situation.
他提醒我们形式的严峻。
They warned him against swimming in that river.
他们警告他不要到那个河里游泳。
用法: warn sb. to sth.
warn sb. of sth.
warn sb. that…

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