音标：['frivәlәs]
a. 轻佻的, 妄动的, 琐碎的
【法】 轻薄的, 轻浮的, 无意义的
英汉词典

frivolous的短语、例句：

frivolous adj 1 (of people, their character, etc) not sensible or serious; foolish and light-hearted （指人、 性格等）不明事理的, 不严肃的, 漫不经心的, 轻率的, 肤浅的
At 18, he´s still rather frivolous and needs to grow up. 他到了18岁仍然很不懂事、 很不成熟.
frivolous comments, objections, criticisms, etc 肤浅的评论、 轻率的反对、 不严肃的批评等. 2 (of activities) silly or wasteful （指活动）无聊的; 浪费的
She thought that reading romantic novels was a frivolous way of spending her time. 她认为看浪漫小说是虚度时光.