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verb + complacently
常与 smile、nod、say 等动词连用，表示“得意地、自满地做某事”。
She smiled complacently at her own cleverness.
她对自己的聪明得意地笑了。
自满地；满足地；得意扬扬地
先理解核心含义，再看它在真实句子里的用法。
自满地；满足地；得意扬扬地
in a self-satisfied manner
She smiled complacently at her own cleverness.
她对自己的聪明得意地笑了。
自满地；过分平静满足；无忧无虑地。
In a complacent manner; overly calm and contented; not troubled.
He smiled complacently after finishing the puzzle before everyone else.
他在别人之前完成了拼图，然后自满地笑了。
She complacently told everyone the project was on schedule, even though it wasn't.
她自满地告诉大家项目正按计划进行，尽管事实并非如此。
He leaned back and complacently reviewed his perfect test score.
他靠回椅背，自满地端详着自己满分的考试成绩。
常与 smile、nod、say 等动词连用，表示“得意地、自满地做某事”。
She smiled complacently at her own cleverness.
她对自己的聪明得意地笑了。
置于动词前时，多修饰 declare、assume、think 等表达主观判断的动词。
He complacently declared that he had nothing left to learn.
他自满地宣称自己已没什么可学的了。
这种比较结构用来强调行为带有的自满程度。
She answered as complacently as if the matter were settled.
她回答时得意扬扬，好像事情已经定了一样。
Not this
He smiled complacent at his test scores.
Use this
He smiled complacently at his test scores.
smile 是行为动词，需要用副词 complacently 来修饰动作；complacent 是形容词，只能作表语或定语，不能修饰动词。中文“自满地笑”容易让人把副词用法误写成形容词。
Not this
He accepted complacently the award.
Use this
He complacently accepted the award.
英语中，单个副词通常不能放在及物动词和它的直接宾语之间，应把 complacently 放在动词前（或句末）。这里“自满地接受奖项”应说成 He complacently accepted the award。
Focus on the distinctions below. Other candidates are kept compact until a reliable usage note is available.
得意地微笑
She smiled complacently when her work was praised.
当她的工作受到表扬时，她得意地笑了。
自满地袖手旁观；安于现状
We can't just sit back complacently while the environment worsens.
环境不断恶化，我们不能只是自满地袖手旁观。
得意地指出
He noted complacently that his team had met every target.
他得意地指出，他的团队已经完成了所有目标。
自满地宣布
The manager announced complacently that profits had doubled.
经理自满地宣布利润已经翻了一番。
得意地环顾四周
She looked around complacently at the spotless room.
她得意地环顾一尘不染的房间。
Use complacently naturally, then get feedback on meaning, tone, grammar, and phrasing.
Revisit a common error or keep this word in your review list.
记 complacently：拆出 'place'——人一旦安于自己的位子，就满足自得。
语域：formal 常见场景：正式评论、文学描写、新闻报道 通常用于书面或正式语境，多出现在评论、文学描写中，日常口语中较少见。
没有常见的完全同韵词。recently、silently、evidently、confidently 虽以 -ently 结尾，但重音位置和元音不同，不押韵。complacent /kəmˈpleɪsnt/ 重读部分相同，但少了末尾的 /li/，也不是同韵词。注意拼写相近的 complaisant /kəmˈpleɪzənt/ 读 /z/，与 /s/ 不同。
Dictionary facts from ECDICT, WIKTIONARY.