1
be complacent about sth
常用在否定句或劝诫语境中，表示不应当满足于现状。
We must not be complacent about the progress we have made.
我们绝不能在已经取得的进展上自满。
自满的；得意的；满足的
先理解核心含义，再看它在真实句子里的用法。
自满的；得意的；满足的
contented to a fault; self-satisfied
We must not be complacent about the progress we have made.
我们绝不能在已经取得的进展上自满。
对自己或自己的成就不加批判地满足；自满的。
Uncritically satisfied with oneself or one's achievements; smug.
自满的
contented to a fault with oneself or one's actions
对需求或问题过分不担忧或冷漠的。
Unduly unworried or apathetic with regard to a need or problem.
After winning the first game, the team became complacent and lost the next match.
赢了第一场比赛后，球队变得自满，结果输掉了下一场。
AI contextual example
We must not be complacent about our progress; there is still a lot of work to do.
我们决不能对自己的进展自满，还有很多工作要做。
AI contextual example
She gave a complacent smile when she heard the news.
她听到消息后露出了得意的微笑。
AI contextual example
he had become complacent after years of success
他经过多年的成功后变得自满。
WordNet
常用在否定句或劝诫语境中，表示不应当满足于现状。
We must not be complacent about the progress we have made.
我们绝不能在已经取得的进展上自满。
强调由警觉、努力转向自满的状态变化，通常含有贬义。
After several successes, the team became complacent and lost the next game.
几次成功后，这个团队变得自满，输掉了下一场比赛。
作定语修饰表情、态度等名词，表示自鸣得意、沾沾自喜。
He gave a complacent smile when he heard the news.
他听到这个消息时露出得意的微笑。
Not this
He complacent about his success.
Use this
He is complacent about his success.
英语形容词作谓语时前面必须有系动词（如is/are），而汉语中形容词可以直接作谓语，因此要加上is。
Not this
Don't be complacent with your grades.
Use this
Don't be complacent about your grades.
complacent后接介词about表示“对……自满”，不接with；用with是受satisfied with的干扰，不符合搭配习惯。
Not this
I felt complacent after finishing the marathon.
Use this
I felt satisfied after finishing the marathon.
complacent带有贬义，指“自满、得意”，不是中性的“满意”；表达积极意义上的“满意”应用satisfied或content。
Focus on the distinctions below. Other candidates are kept compact until a reliable usage note is available.
自满的态度
His complacent attitude made his coworkers angry.
他自满的态度让同事们很生气。
得意的微笑
She gave a complacent smile when she saw her exam results.
看到考试成绩时，她露出了得意的微笑。
自鸣得意的神情
He had a complacent look on his face after winning the argument.
赢得争论后，他脸上露出自鸣得意的神情。
变得自满
We must not become complacent after this success.
这次成功之后我们绝不能变得自满。
对……自满；对……掉以轻心
Don't be complacent about your health.
不要对你的健康掉以轻心。
Use complacent naturally, then get feedback on meaning, tone, grammar, and phrasing.
Revisit a common error or keep this word in your review list.
记法：complacent 拼写里藏着 place，自满的人觉得自己已经‘就位’，无需再努力。
语域：neutral 常见场景：职场评估、社会评论、学习反馈 该词是标准用词，正式和日常场合都较常见；多用于评价某人安于现状或对自己的表现过度满意，通常带贬义。
与 complacent /kəmˈpleɪsənt/ 押韵的是 adjacent /əˈdʒeɪsənt/，二者末尾均为 /eɪsənt/。decent /ˈdiːsənt/、recent /ˈriːsənt/、innocent /ˈɪn.ə.sənt/、magnificent /mæɡˈnɪfɪsənt/ 拼写同样以 -cent 结尾，但重读元音不同，不押韵。percent /pərˈsɛnt/ 的重音在末尾，读 /sɛnt/，不是 /sənt/。另注意 complaisant /kəmˈpleɪzənt/ 与 complacent 拼写和读音相近，但结尾是 /z/ 而非 /s/，意思也不同。
Dictionary facts from ECDICT, WIKTIONARY.