你是谁用英语怎么说：

Could you tell me who you are? 对的
也可说
Tell me who you are, please.
Would you please tell me who you are?
May I know who you are?

你是谁用英语怎么说(在打电话时)：

You are a fool

你是谁用英语怎么说教程：

不要直接翻译“混血”。因为英文中大部分混血的直译都是贬义词。可以辗转问“are your parents from the same country?"或者我不确定hybrid这个词是否合适。如果是欧亚混血，你可以说“half-caste”或者“Eurasia”。但是half-caste只能用于欧亚混血。