再说一遍的英文是ay it again。
词典：say it again; come again.
例句：
Could you?say it again, please?
请再说一遍好吗？
Could you say that again in words of one syllable?
你能用很简单的言语把这再说一遍吗？
The claims are, I repeat, totally unfounded.
我再说一遍，这些说法是毫无根据的。
What's it called again? Yeah, that's right. A modem.
再说一遍它叫什么？好的，对，调制解调器。
At the risk of being repetitive, I will say again that statistics are only a guide.
尽管会被认为罗嗦，我还得再说一遍：统计数字只是指向。