showing smug or uncritical satisfaction with oneself or one's achievements
自满的,沾沾自喜的;满足的
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you can't afford to be complacent about security .你还不能对安全掉以轻心。
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complacentadj.自满的;沾沾自喜的;满足的
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complementn.补充;增强;足数;补足物;补足量;补语;补体;防御素;编制名额;定员
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complaintn.怨言;牢骚;抗议;控告;控诉;疾病;抱怨;诉苦;发牢骚;控诉状
"mid 17th cent. (in the sense ‘pleasant’): from Latin