The students enjoyed the speaker so much that the clapping continued for a long time.

"同学欣赏那位演者演,掌声经久不息。"

I will start the ball rolling by introducing the first speaker.

我来介绍一下第一位演者作为开始。

The speaker shall limit himself to several aspects of the subject.

这位演者将从几个方面来发表对这个问题法。

Forgetting his speech disconcerted the speaker.

忘了演词使得这位演者手足无措。

Angry crowds converged on the speaker.

愤怒群众向演者拥去。