They rose to applaud the speaker.

他们起立向演讲者鼓掌。

He started to applaud and the others joined in.

他开始鼓掌，其他人也跟着鼓起掌来。

Attracted by the beauty of the piano music, the audience almost forgot to applaud when the pianist finally finished it.

观众被美妙的钢琴曲吸引住了，钢琴家表演结束的时候，他们几乎忘了鼓掌。

The audience began to applaud him.

观众开始为他鼓掌。

I want to applaud him.

我想为他鼓掌。