frivolous
adj. 愚蠢轻浮的,不严肃的;无聊的,不重要的
例句
Toad ceased his frivolous antics at once.
托德立刻停止了他那轻浮的滑稽动作。
"There's a common belief that reading literature is frivolous, or not practical," Mar said.
“人们普遍认为阅读文学作品是轻浮的,或者是不切实际的。”马尔说。
Some critics will point out subjects such as Art or Music and label them as being frivolous and time-wasting.
一些评论家会指出艺术或音乐之类的学科,并为它们贴上轻浮和浪费时间的标签。