a feeling of being satisfied with yourself or with a situation, so that you do not think any change is necessary; the state of being complacent 自满；自得；自鸣得意 Despite signs of an improvement in the economy, there is no room for complacency. 尽管在经济方面有改善的迹象，但仍不容自满。 🔊🔊 His early success as a writer led to complacency and arrogance. 他早期作为作家的成就引起了自满和自大。
Word Originmid 17th cent.: from medieval Latin complacentia, from Latin complacere ‘to please’.