n.

1. 刺激；動機；動力
   The fear of failure was the motivation for Jane's achievements.

   害怕失敗是促使珍有所成就的動機。

2. 積極性；幹勁
   Schools try to increase students' motivation to read.

   學校努力幫助學生積極閱讀。

3. 行動方式

n.

1. a reason or reasons for doing something.
2. desire to do something; enthusiasm.