1. Toad ceased his frivolous antics at once. 托德立刻停止了他那轻浮的滑稽动作。
2. "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。
3. 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。
4. There are some who say Marconi lost his edge when commercial broadcasting came along; he didn't see that radio could or should be used to frivolous ends. 有人说，当商业广播出现时，马可尼失去了优势，他认为收音机不可以也不应该用于无聊的目的。
