来源：百度文库 编辑：久游网 时间：2019/12/12 09:07:23
应该是:could you tell me who you are? I don't know you even more. Why did you send an e_mail to me?
我想"Jally520"的用词可能有问题,"at once"应该是立即的意思,怎么能用在这呢? 太不负责任了!
Who's this speaking,please? ( May I ask, who's this speaking? )
Sorry,I don't know you ,sir. ( I don't know you ,sir.)
Why this postal matter sent me here . (This post sent me here,why?)
请问你是谁？Sorry, who is this? 我并不认识你啊，怎么把邮件发到我这来了？I don't know you, how did you send e-mail to me?
could you tell me who you are? did we contact each other before? i don't think i know, why you sent email to me?
i don't really know who you are. why do you send a e-mail to me?
well, i don't know you. why did you send this e-mail to me. would you please tell me who is it?