形容詞 complacent:

1. contented to a fault with oneself or one's actions
   同義詞：self-satisfied, self-complacent

1. His book was an eye opener to complacent young men.
   對自滿的年輕人來說，他的這本書有啟發(fā)作用。
2. He shows a complacent smile.
   他得意地笑了。
3. We must not be complacent about our achievements.
   我們決不能滿足于自己的成績。

com.pla.cent

adj.（形容詞）
Contented to a fault; self-satisfied and unconcerned:
自滿的：對缺點(diǎn)的滿意；自我滿足且不關(guān)心：
例句：
He had become complacent after years of success.
成功多年后他變得自我滿足起來

Eager to please; complaisant.
期望取悅的；殷勤的

來源：
Latin complacôns complacent- [present participle of] complacôre [to please]
拉丁語 complacôns complacent- [] complacôre的現(xiàn)在分詞 [取悅]
com- [intensive pref.] * see com-
com- [前綴，表加強(qiáng)詞義] *參見 com-
placôre [to please] * see pl3k-
placôre [取悅] *參見 pl3k-

【引伸】
compla.cently
adv.（副詞）