nicety
/ˈnaɪsətɪ/noun
(pl. -ies)(一般作niceties)
1- a fine detail or distinction, especially one regarded as intricate and fussy（尤指复杂、繁琐的）细节; 细微的区别：
she was never interested in the niceties of Greek and Latin.
她对希腊语和拉丁语之间的细微差别从来不感兴趣。
1.1
- mass noun accuracy or precision准确, 精确：
she prided herself on her nicety of pronunciation.
她对自己准确的发音颇感得意。
1.2
- a minor aspect of polite social behaviour; a detail of etiquette（社交上的）细节; 礼节：
we were brought up to observe the niceties.
我们从小就被教导要注意细小礼节。
短语
to a nicety
- precisely精确地。
词源
Middle English （in the sense 'folly, foolish conduct'）： from Old French nicete, based on Latin nescius 'ignorant' （see NICE）.