flippantly

例句：

1. 1. She flippantly dismissed his concerns as unimportant.
   她漫不经心地忽视了他的担忧。
2. 2.The manager flippantly told the team that they could improve their performance.
   经理漫不经心地告诉团队他们可以提高表现。
3. 3. He flippantly answered the question, not realizing the seriousness of the situation.
   他轻率地回答了这个问题，没有意识到情况的严重性。