出典:Wiktionary
Please say it again.
もう一度言ってくださいますか。
I will talk about that again.
もう一度やりなさい.
Do it (over) again.
Please say that again slowly.
What [Huh]? Say it again.
もう一回言っていただけますか。
Please do that again.
Could I have you repeat that once again?
Let's talk it over one more time.