Do you know who is speaking?

你知道什么人在说话吗？

Can you tell me who is speaking?

你能告诉我哪位在说话吗？

The only one who cares about any mistake is the one who is speaking.

唯一关心任何错误的是说话的人。

Yet, the only one who cares about any mistake is the one who is speaking.

然而，唯一在乎错误的人是说话的人。

May I ask who is speaking?

请问是谁打的电话？

Hello.This is Jane here.Who is speaking?

你好。我是简。你是？

Who is the girl that is speaking at the meeting?

正在会上发言的女孩是谁？

The way you do this is to focus on the person who is speaking.

你可以把焦点转移到正在说话的人身上。

Do you know the girl in front of the blackboard who is speaking to the students?

你认识黑板前面正在给学生们讲话的那位女孩子吗？

An mp is allow to interrupt another mp only if he want to ask the member who is speaking to explain something or to raise a point of order.

允许下院议员打断另一个下院议员的讲话，但必要的条件是：他要求讲话的议员解释某事或他想要提出关于议事程序的问题。