vt.

1. 推進，推動[O]
   The wind impelled the boat toward the shore.

   風把船吹向岸邊。

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

   他說貧困逼得他犯罪。

   What reason impelled you to go there?

   什麼原由驅使你到那裡去？

v.