vt.

1. 用（力），盡（力）
   He has exerted all his strength.

   他已竭盡全力。

2. 運用，行使；發揮；施加
   He's been exerting his influence on his friend to change his decision.

   他一直在影響他的朋友改變決定。

v.

1. apply or bring to bear (a force, influence, or quality).
2. (exert oneself) make a physical or mental effort.