motivation

/ˌmoʊ.t̬əˈveɪ.ʃən/

名词

积极性，干劲
He's a bright enough student - he just lacks motivation.
他是个很聪明的学生，只是缺乏积极性。
动机，诱因
What was the motivation for the attack?
这次袭击的诱因是什么？