the impassivity of sb/sth
of 后接人、表情或态度等，指明无表情、冷漠状态的主体。
The impassivity of his expression made it hard to guess his thoughts.
他表情的木然让人很难猜出他在想什么。
无表情；不动声色；冷静
无表情；冷漠的状态；无感情；平静；泰然自若
无表情；冷漠的状态
The state of being impassive.
Her impassivity during the heated argument surprised everyone.
她在激烈争论中的无动于衷让所有人惊讶。
用法提示：名词，表示无感情的状态。
The defendant's impassivity in court made the jury uncomfortable.
被告在法庭上的冷漠让陪审团感到不适。
用法提示：名词，描述缺乏情绪反应。
His impassivity in the face of criticism was mistaken for arrogance.
面对批评时的泰然自若被误认为是傲慢。
用法提示：名词，体现平静和泰然自若。
of 后接人、表情或态度等，指明无表情、冷漠状态的主体。
The impassivity of his expression made it hard to guess his thoughts.
他表情的木然让人很难猜出他在想什么。
with impassivity 作方式状语，表示以无动于衷的态度做某事。
She listened to the criticism with impassivity.
她面无表情地听着批评。
in the face of 后接困难、危险等，强调面对此类情形时仍保持冷静、不动声色。
His impassivity in the face of danger surprised everyone.
他在危险面前的不动声色让所有人吃惊。
grammar · medium
易错句子Throughout the meeting, she remained impassivity.
正确表达Throughout the meeting, she remained impassive.
remain 是系动词，后面要用形容词作表语，说明主语的状态；impassivity 是名词，不能放在 remain 后作表语。
grammar · medium
易错句子He watched the trial impassivity.
正确表达He watched the trial impassively.
修饰动词 watched 要用副词 impassively；impassivity 是名词，不能作状语表示“冷漠地”。
impassivity 指脸上不流露情绪，重点在外表的平静；passivity 指不主动、被动接受的状态，与情绪无关。两词拼写只差前缀 im-，容易看混。
impassivity 只是看不出情绪，内心未必没有感受；indifference 明确表示不关心、不在乎，带评价色彩，常与 to／towards 搭配。
impassivity 是中性的“面无表情”，甚至可带冷漠意味；composure 是褒义的“沉着镇定”，指在压力下控制住情绪，常说 keep／regain one's composure。
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