I can understand their eagerness that you should be the main speaker.

我理解他们希望你作主要发言人的殷切心情。

youdao

Remember, you are not the main speaker; you are introducing the main speaker.

记住，你不是主讲人，而是在介绍主讲人。

youdao

Let us suppose that you have been asked to introduce the main speaker at a meeting.

让我们假设你被要求在会议上介绍主讲者。

youdao

One says, "This is not funny, " only to be drowned out by the laughter of the main speaker and those supporting him.

CNN: Why don't some boys see it as rape?

The discussion about Mr Mitchell lasted about half an hour - leaving Chancellor George Osborne, who was the main speaker, to wait outside in corridor.

BBC: Andrew Mitchell

Kevin Wells was the main speaker at the launch of the new book and spoke of the dark days after Holly Wells and Jessica Chapman's bodies had been found.

BBC: NEWS | UK | England | Cambridgeshire | Holly's father speaks of grief