vt.

1. 推进，推动[O]
   The wind impelled the boat toward the shore.

   风把船吹向岸边。

2. 激励；驱使；迫使[（+to）][O2]
   He said he had been impelled to crime by poverty.

   他说贫困逼得他犯罪。

   What reason impelled you to go there?

   什么原由驱使你到那里去？

v.