怎麼回事(表示聽到的話愚蠢或無聊)
what's up with that?
used to suggest that sth you have heard is a stupid idea or does not make sense
They dropped their best player. What's up with that?他們棄用了最佳隊員。怎麼回事?
釋義來自《牛津高階英漢雙解詞典》第 9 版