Pardon, could you say it again?
对不起,请你再说一遍好吗?
I didn「t catch the end of the sentence, and could you say it again?
我没听见那句话的末尾,你能再说一遍吗?
Sorry, but could you say it again?
对不起,能不能再说一遍。
Sorry, but could you say it again?
对不起,您能再说一编吗?
I didn」t quite follow you, could you say it again?
我没有十分听懂,你能再讲一遍吗?