(noun.) the trait of acting unpredictably and more from whim or caprice than from reason or judgment; 'I despair at the flightiness and whimsicality of my memory'.
凯瑟琳整理
双语例句
And I've heard say Mr. Bulstrode condemns Mrs. Vincy beyond anything for her flightiness, and spoiling her children so. 乔治·艾略特.米德尔马契.
Sometimes, she added, I think it's just flightiness--and sometimes I think it's because, at heart, she despises the things she's trying for. 伊迪丝·华顿.快乐之家.