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

这位讲从几个方面来发表对这个问题的看法。

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

"同学们非常欣赏那位讲的讲,掌声经久不息。"

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

我来介一下第一位讲作为开始。

Angry crowds converged on the speaker.

愤怒的群众向讲拥去。

Forgetting his speech disconcerted the speaker.

忘了讲词使得这位讲手足无措。