1. 轻率地：flippant 轻率的 | flippantly 轻率地 | flipper 鳍状肢
2. 轻率地/没礼貌地：flippant /轻率的/ | flippantly /轻率地/没礼貌地/ | flipper /鳍状肢/潜水用橡皮制鳍状肢/
3. 没礼貌地：flip-flop 正反器 | flippantly 没礼貌地 | flipper 潜水用橡皮制鳍状肢
1. One can't help but be shocked at the fact that part of our next generation is treating human lives flippantly and callously.
adv
1. in a flippant manner
e.g. he answered the reporters' questions flippantly
this cannot be airily explained to your children
Synonym: airily