flightier
adj. (尤指女人或其行为)轻浮的,朝三暮四的,反复无常的( flighty的比较级 )
If you say that someone is flighty, you disapprove of them because they are not very serious or reliable and keep changing from one activity, idea, or partner to another.
Isabelle was a frivolous little fool, vain and flighty.
伊莎贝尔是个轻佻、没头脑的小女人,非常虚荣又反复无常。
Holders of postal accounts and offshore accounts were flightier.
邮储用户和国外帐户持有人则要多变得多.