to make someone feel that they must do something 促使，驱使 [ 动词后面接一个带to的不定式 ] She was in such a mess I felt impelled to (= felt I had to) offeryourservices . 她陷入了这么一个烂摊子，我不得不提出让你去帮帮她。 I wonder what it is that impels him to exercise all the time . 我不知道是什么原因驱使他成天在锻炼身体。 返回 impel