N-VAR
輕浮的行為;無聊的活動
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...
在所有這些鬧騰的核心傳遞著一個嚴(yán)肅的信息。
He was one of my most able pupils, but far too easily distracted by frivolities.
他是我最有才華的學(xué)生之一，只是太容易被一些無聊的事分心。