您是哪位?的英文：
who is speaking?

who是什么意思：
pron. 谁；他，她，他们，她们

Who the heck are you?
你究竟是谁？

Who is knocking the door || Who is knocking || Who is at the door || Who is knocking at the door?
谁在敲门

Who is knocking the door / Who is knocking / Who is at the door / Who is knocking at the door?
谁在敲门

The word

Who are the men who really govern in this country?
谁是这个国家的真正统治者？

speaking是什么意思：
v. 谈话；说话；提起；会讲；…行话；演讲；代表；表明；显示；不言而喻

Don't speak for your friend, speak for yourself.
不要代表你的朋友发言了，谈谈你自己的看法吧。

Don't speak for your friend,speak for yourself.
不要代表你的朋友发言了，谈谈你自己的看法吧。

It is one thing to speak much and another to speak pertinently
话讲得多是一回事,讲得恰当是另一回事

He speaks in popular language.
他用通俗的语言讲话。

She has a direct way of speaking.
她说话直爽。