impels

v.驱使；激励

The President's speech impelled the nation to greater efforts. 总统的讲话激励国民更加努力。

Impelled by feelings of guilt, John write的过去式）" target="_blank">wrote to apologize. 约翰有感愧疚，於是写信道歉。

I felt impelled to investigate the matter further. 我觉得自己有责任对事情作进一步调查。

I was so annoyed that I felt impelled to write a letter to the paper. 我非常恼怒，以致觉得非给报社写封信不可。