1550s, "swift," from flight (n.1) + -y (2). Sense of "fickle or frivolous" is from 1768, perhaps from notion of "given to 'flights' of imagination." Related: Flightiness.
实用例句
1. He said I was too flighty to be a good supervisor.
他说我太轻浮不能成为一名好的管理员.来自《简明英汉词典》
2. She is too flighty to take care of young children.
她太不负责任,不能照顾小孩.来自《现代英汉综合大词典》
3. Isabelle was a frivolous little fool, vain and flighty.
伊莎贝尔是一个轻佻的小傻瓜，自负而又反复无常。来自辞典例句
4. 'she was never flighty like you.
" 她从来不像你这样胡思乱想.来自飘（部分）
5. Lydhate paraded flighty , foreign notions which would not wear.
