impel
verb [ T ] uk/ɪmˈpel/ us/ɪmˈpel/ -ll-
促使，驱使
to make someone feel that they must do something
[ + 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。