I'm doing all the talking. 讓我來說(現在是我說話的時候)
[例句] A: But John, I didn't... 可是約翰，我沒有..
B: Shup up. I'm doing all the talking. 閉嘴。讓我說

Come again? 再說一次? (禮貌性的請對方再說一次)
[例句] A: I need to borrow some money from you. 我必須跟你借點錢。
B: Come again ?　再說一次?