名詞 nicety:

1. conformity with some esthetic standard of correctness or propriety
   同義詞：justness, rightness
2. a subtle difference in meaning or opinion or attitude
   同義詞：nuance, shade, subtlety, refinement

1. The manner in which she received him was calculated to a nicety to seem cool without being uncivil.
   她接待他時始終準確地把握好分寸，看似冷淡，卻不失禮。
2. He judged the distance to a nicety.
   他判斷距離很正確。

ni.ce.ty

n.（名詞）
【復(fù)數(shù)】 ni.ce.ties
The quality of showing or requiring careful, precise treatment:
謹慎，精確：顯示或要求細心和精確對待的性質(zhì)：
例句：
the nicety of a diplomatic exchange.
外交往來的謹慎

Delicacy of character or feeling; fastidiousness; scrupulousness.
精致，慎重無誤：性格或感情的細膩精致；過分考究；謹慎
A fine point, small detail, or subtle distinction:
微妙之處：精細的一點，小的細節(jié)或細微的差別：
例句：
the niceties of etiquette.
外交禮儀的微妙之處

An elegant or refined feature; an amenity:
細節(jié)，細微之處：優(yōu)雅或純潔的特征；愉悅：
例句：
the niceties of civilized life.
文明生活的雅致快樂

來源：
Middle English nicete [silliness, exactitude]
中古英語 nicete [傻瓜，精確]
from Old French [silliness]
源自 古法語 [傻子，笨蛋]
from nice [silly] * see nice
源自 nice [愚蠢] *參見 nice