motivation
noun uk/ˌməʊ.tɪˈveɪ.ʃən/ us/ˌmoʊ.t̬əˈveɪ.ʃən/
(ENTHUSIASM)
B2 [ U ]积极性，干劲
enthusiasm for doing something
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。
There seems to be a lack of motivation among the employees. 员工们似乎缺乏干劲。
(REASON)
C1 [ C ]动机，诱因
the need or reason for doing something
What was the motivation for the attack? 这次袭击的诱因是什么？
The motivation behind the decision is the desire to improve our service to our customers. 之所以作出这一决定是想要改善我们对顾客的服务。