我走进去的时候，他们全体起立开始鼓掌。

When I walked in, they all stood up and started clapping.

《柯林斯英汉双解大词典》

音乐会中有人开始鼓掌，突然间整个房间的人都加入进来。

In the concert, someone begins to clap and suddenly the whole room joins in.

youdao

他开始鼓掌，其他人也跟着鼓起掌来。

He started to applaud and the others joined in.

《牛津词典》