1
feel complacency about sth
常与介词 about 搭配，表示对某事感到自满。
He felt complacency about his recent success.
他对自己最近的成功感到自满。
满足, 自鸣得意, 自满
先理解核心含义，再看它在真实句子里的用法。
满足, 自鸣得意, 自满
the feeling you have when you are satisfied with yourself
He felt complacency about his recent success.
他对自己最近的成功感到自满。
自满；自得(尤指对即将到来的麻烦毫无察觉)
A feeling of contented self-satisfaction, especially when unaware of upcoming trouble.
自满的表现
An instance of self-satisfaction.
因满足于现状而产生的消极态度
Passivity as a result of contentment with the current situation.
His complacency prevented him from seeing the potential risks in the project.
他的自满使他看不到项目中的潜在风险。
After years of success, the company fell into a state of complacency and ignored market changes.
经过多年的成功，这家公司陷入了自满状态，忽视了市场变化。
Complacency can be dangerous if you stop striving for improvement.
如果你停止努力改进，自满可能会很危险。
常与介词 about 搭配，表示对某事感到自满。
He felt complacency about his recent success.
他对自己最近的成功感到自满。
表示使某人放松警惕，产生自满情绪。
The easy victories lulled the team into complacency.
轻松的胜利使团队麻痹大意。
常与 against 搭配，表示警告不要自满。
The manager warned against complacency despite the good results.
尽管业绩良好，经理还是警告不要自满。
Not this
His complacent made him ignore potential problems.
Use this
His complacency made him ignore potential problems.
complacent 是形容词，不能作主语，应使用名词形式 complacency。
Not this
She showed complacency with her recent achievements.
Use this
She showed complacency about her recent achievements.
complacency 表示自满，常搭配介词 about 或 over，不与 with 连用。
Focus on the distinctions below. Other candidates are kept compact until a reliable usage note is available.
滋生自满
Success can breed complacency if you are not careful.
成功如果不小心会滋生自满。
自满感
After winning several awards, he developed a sense of complacency.
赢得几个奖项后，他产生了一种自满感。
自满的危险
The manager warned the team about the danger of complacency.
经理警告团队注意自满的危险。
导致自满
Continuous success may lead to complacency.
连续的成功可能导致自满。
沾沾自喜的自满
His smug complacency annoyed his colleagues.
他沾沾自喜的自满让同事反感。
Use complacency naturally, then get feedback on meaning, tone, grammar, and phrasing.
Revisit a common error or keep this word in your review list.
联想“com（共同）+ plac（取悦）+ ency”，共同取悦自己，即自满。想象躺在舒适的地方（com-place）一脸满足。
语域：formal 常见场景：工作表现评价、学术讨论、自我反思 通常用于正式或批评语境，多出现在书面语或分析讨论中，表示对现状的不当满足。
These words share the suffix '-ency' but have different stress patterns and vowel sounds. The ending consonant cluster /nsi/ is the same, but the preceding vowels differ. 'Complacency' may also be confused with 'complaisance' (kəmˈpleɪzəns), which has a different spelling and pronunciation.
Dictionary facts from ECDICT, WIKTIONARY.