to make someone feel that they must do something促使,驱使
[ + to infinitive ] She was in such a mess I felt impelled to (= felt I had to) offer your services.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。