为某人鼓掌用英文怎么说

"To clap for someone" 是鼓掌的英文表达。其来源是源于手拍的动作，意思是为某人喝彩。

例句：

Let's give a round of applause for the birthday boy. (让我们为生日男孩鼓掌)
The audience clapped for the singer's performance. (观众为歌手的表演鼓掌)
We clapped for the graduating class. (我们为毕业班鼓掌)