Complacent

(a.)

complacent (about sb/sth) (usu. derog.): calmly satisfied with oneself, one's work, etc.

自满的；自鸣得意的

e.g. a complacent smile, manner, tone of voice

自满的微笑、姿态、声调

e.g. We must not be complacent about our achievements; there is still a lot to be done.

我们决不能满足于自己的成绩，还有很多事情要做。

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