aplomb

名词 aplomb:

1. great coolness and composure under strain
   同义词：assuredness, cool, poise, sang-froid

1. She perform the duties of a princess with great aplomb.
   她泰然自若地履行王妃的职责。
2. She performs the duties of a princess with great aplomb.
   她泰然自若地履行王妃的职责。

a.plomb

n.（名词）
Self-confident assurance; poise.See Synonyms at confidence
自信，沉着；泰然自若参见 confidence

来源：
French
法语
from Old French a plomb [perpendicularly]
源自 古法语 a plomb [垂直地]
a [according to] from Latin ad- * see ad-
a [关于] 源自 拉丁语 ad- *参见 ad-
plomb [lead weight] from Latin plumbum [lead]
plomb [铅重] 源自 拉丁语 plumbum [铅]