1、How can you possibly treat such an important vote so flippantly as to regret it just hours later?
怎么可以這么輕率地對待如此重要的投票？投完幾個小時就后悔？

2、In a Study in Pink, Anderson flippantly calls Holmes a psychopath.
在《粉色的研究》這一集中，安德森無禮地稱福爾摩斯為精神變態(tài)者。

3、Still, these risks are real, and we will not flippantly disregard them.
當然，這些風險是真實的，我們不能輕視他們。