adj.轻佻的；妄动的；琐碎的；无足轻重的
She had a reputation of being a frivolous coquette. 大家都说她是一个轻佻的荡妇。
Don't waste your time on frivolous matters. 别把时间浪费在无足轻重的事情上。
adv.轻浮地；愚昧地
