N-COUNT
(尤指好的礼仪或得体的举止方面的)细节，小节
The niceties of a situation are its details, especially with regard to good manners or the appropriate behaviour for that situation.
例句
By the end of term, girls will have learnt the niceties of dinner party conversation...
到学期结束，女生们将完成对晚宴谈话礼仪细节的学习。
He wasted no time with social niceties.
他没有在社交礼仪细节上浪费时间。