warn的用法 - 大学英语语法大全warn的用法：warn sb.
of/about sth意思是针对…而警告某人；warn swarn的用法：warn sb.
of/about sth意思是针对…而警告某人；warn sb (not) to do sth意思是告戒某人(不)要做某事；warn sb.
+ that从句意思是警告某人说……。
如：Theywarnedthe passengersofthieves.
(他警告路人小心窃贼)/ Iwarnyouthatyou will fail in the coming exams if you are still so lazy.
(我警告你：如果你还这么懒在即将来到的考试中你会不及格的。
)/ He waswarnednot to goout in the late night.
(他受到警告不要在深夜出去)