If you refer to an activity as a frivolity, you think that it is amusing and rather silly, rather than serious and sensible.
例句
There is a serious message at the core of all this frivolity...在所有这些闹腾的核心传递着一个严肃的信息。He was one of my most able pupils, but far too easily distracted by frivolities.他是我最有才华的学生之一,只是太容易被一些无聊的事分心。
英汉词典释义
n.
轻松的乐事, 兴高采烈
Most people enjoy a few frivolities during their holiday.大多数人都喜欢在假期中享受一些轻松的娱乐。
愚蠢的行为;可笑的表现;轻浮的举止
I dislike her frivolity.我讨厌她轻浮的举止。
英英词典释义
Noun
1. the trait of being frivolous; not serious or sensible