1
verb + impassively
impassively 作方式副词，常放在动词后，描述动作发生时毫无表情或情绪。
He listened impassively to the accusations.
他面无表情地听着那些指控。
无表情地；冷漠地；不动声色地
先理解核心含义，再看它在真实句子里的用法。
无表情地；冷漠地；不动声色地
without showing emotion; calmly
He listened impassively to the accusations.
他面无表情地听着那些指控。
无表情地
In an impassive manner.
She listened to the bad news impassively, but later she cried in her room.
她面无表情地听着这个坏消息，但后来在房间里哭了。
The teacher looked at the noisy classroom impassively and waited for silence.
老师面无表情地看着吵闹的教室，等着大家安静下来。
He impassively watched the chess match, giving no hint of his thoughts.
他不动声色地观看国际象棋比赛，丝毫不透露自己的想法。
impassively 作方式副词，常放在动词后，描述动作发生时毫无表情或情绪。
He listened impassively to the accusations.
他面无表情地听着那些指控。
把 impassively 放在动词前可以强调状态，语气比放句尾更正式。
She impassively watched the argument unfold.
她冷漠地看着争吵展开。
被动结构中，impassively 位于助动词和过去分词之间，表示某人以冷漠方式接受某事。
The verdict was impassively received by the family.
那个判决被家属无动于衷地接受了。
Not this
She behaved cold and impassive.
Use this
She behaved coldly and impassively.
这里修饰的是行为动作 behaved，需要用副词 coldly 和 impassively；形容词 cold/impassive 不能修饰动词，汉语中的‘冷漠地、面无表情地’在英语里要用 -ly 副词形式。
Not this
He faced the danger with impassively.
Use this
He faced the danger impassively.
impassively 本身就是副词，可以直接修饰动词 faced，前面不需要加介词 with；with 后面要接名词或名词短语，不能接副词。
Focus on the distinctions below. Other candidates are kept compact until a reliable usage note is available.
面无表情地凝视
He stared impassively at the crowd, revealing no emotion.
他面无表情地凝视着人群，丝毫不露情绪。
冷漠地旁观
She watched impassively as the argument escalated.
她冷漠地旁观着争吵升级。
不动声色地倾听
The judge listened impassively to the lawyer's lengthy argument.
法官不动声色地倾听着律师冗长的辩论。
冷淡地回应
When asked about the scandal, he responded impassively.
当被问及丑闻时，他冷淡地回应。
Use impassively naturally, then get feedback on meaning, tone, grammar, and phrasing.
Revisit a common error or keep this word in your review list.
扑克脸打牌时不动声色，impassively 就是“面无表情地、冷漠地”，心像一潭死水。
语域：formal 常见场景：文学描写、新闻报道、正式书面语 impassively 多用于正式或书面语，尤其在文学叙事和新闻报道中描述某人面无表情、不动声色地做某事；日常口语中较少使用。
真正押韵的是 passively (/ˈpæsɪvli/) 和 massively (/ˈmæsɪvli/)，它们与 impassively 共享重读元音 /æ/ 及后面的 /sɪvli/。其他词只共享非重读后缀 /ɪvli/，因此不押韵。注意形近词 actively (/ˈæktɪvli/) 虽有 /æ/ 但后面是 /ktɪvli/；aggressively (/əˈɡrɛsɪvli/) 的重读元音也不同。另注意 impassioned (/ɪmˈpæʃənd/) 拼写相似但发音差异很大。
Dictionary facts from ECDICT, WIKTIONARY.