英语的特殊问句?老外在说:Wat do you mean?和Wat you mean.有什么区别?

英语的特殊问句?老外在说:Wat do you mean?和Wat you mean.有什么区别? what are you mean?和what do you mean?有什么区别?what are you mean? wat u mean by how do you mean 和what do you mean 区别在哪里? how do you mean和what do you 有什么区别吗? What's your meaning?和What do you mean 有什么区别 i don't know what you mean和i don't know what do you mean 有区别 英语mean和means有什么区别 wat do you need to buy? Do you mean it? what do you mean do you mean to