pardon是不是过时了（没听清别只会说）

Pardon me? / I beg your pardon?(beg:请求）请你再说一次。Sorry, what did you say?不好意思，你刚刚说了什么? Sorry, but I missed that.（miss 错失，思念）不好意思，我没听到刚刚的内容。 I'm really sorry, I didn't hear/catch that. 真不好意思，我没听到刚刚的内容。

What? 什么？