1660s, "not feeling pain," from assimilated form of in- "not, opposite of" (see in- (1)) + passive. Meaning "void of emotions" is from 1690s. Related: Impassively; impassiveness (1640s).
实用例句
1. He met each inquiry with an impassive countenance.
他面无表情地接受每一个盘问。来自柯林斯例句
2. He was content to stand by as an impassive spectator.
他满足于站在旁边做一个冷漠的旁观者.来自《简明英汉词典》
3. Her face remained impassive, studying the Belgian as he completed the form.
她不动声色, 仔细观察正在填写表格的那个比利时人.来自《简明英汉词典》
4. The defendant remained impassive as the judge sentenced him to death.
当法官宣布被告死刑时他始终毫无表情.来自《简明英汉词典》
5. His face remained impassive, so strong was his self - control .
