有warn sb about sth 么,它与warn sb of sth 有区别么?

有warn sb about sth 么,它与warn sb of sth 有区别么?

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… Note:warn sb.not to do sth.=warn sb.against doing sth.

好好学习下

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