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

Once there was a very famous psychiatrist or social worker, who was the main speaker at such a conference.

一次有一个非常知名的精神学家或是社会工作者，他是这次大会上的主要演讲者。

youdao

The UMCF's main speaker was Khalifa Hussein Adams and the text of his speech is online.

CENTERFORSECURITYPOLICY: Center For Security Policy

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