May I ask who I am talking to?
请教一下你是谁？
我可以问问书的作者是谁吗？
你问我，我去问谁？
请问哪位是…？
我问他演的是谁。
May I ask who is calling, please, sir?
我可以问问您是哪一位吗，先生？
请问下一个是谁？
May I ask who is the interviewer today?
请问今天面试官是谁？
May I ask who this confidential source was?
请问是哪位机密线人？
Exhibitor: May I ask who you are buying for?
展览员：我可否问一下你是为谁购买的？
This is Frank speaking. May I ask who is calling?
我是弗兰克。请问您是哪位？
Tom: Sorry, she isn't in. May I ask who is calling?
不好意思，她不在。我能知道是谁找她吗？
And "You ask me I ask who" becomes "I don't know either."
“你问我我问谁(You a sk me i a sk who) ”变成了“我也不知道(Idon ' t knoweither)。”
Visentin: May I ask who are the persons that you kept off?
我能问哪些人你是远离的吗？
Sorry, he is being abroad on business. May I ask who is calling?
抱歉，他现正在出差。请问是谁找他？
My love is like a leaf of paper white, may I ask who can come to.
我的爱情就像一页白纸，请问谁可以来玷污我。
I ask who knows the registration code in English WIN98 urgent hope this... Thank you.
请问谁知道英文WIN98的注册码急望告知…谢谢。
When I ask who the boy is, a servant tells me that he is going to blow the town up, and I go to sleep in terror.
我问，他是谁仆人说那家伙要把小镇炸掉，于是我就满心恐惧地睡了。
When I ask who has watched a video on Youku or Tudou in the last 24 hours, every hand in the room goes up, accompanied by amused laughter.
当我问他们是否在过去24小时内看过优酷或者土豆，全班都会笑着把手举起来。
May I ask who is the drugs trade, can contact me, maybe we have opportunities for cooperation, I am a pharmaceutical production enterprise, can produce water injection, injection products!
请问谁是做医药外贸的，可以与我联系，也许咱们有合作的机会，我是一个医药生产企业，可以生产安瓿水针、西林水针、冻干粉针等产品！
May I ask who is the drugs trade, can contact me, maybe we have opportunities for cooperation, I am a pharmaceutical production enterprise, can produce water injection, injection products!
请问谁是做医药外贸的，可以与我联系，也许咱们有合作的机会，我是一个医药生产企业，可以生产安瓿水针、西林水针、冻干粉针等产品！
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