如果形容某人 to jump for joy 意思就是他们非常高兴，兴高采烈，欢呼雀跃。

例句

Helen jumped for joy when her boyfriend asked her to marry him.

John jumped for joy when he discovered he had won the lottery!

The students were jumping for joy when they saw their exam results.

请注意

另一个短语 to jump the gun 意思是行动过早，操之过急。

Example: We don't want to jump the gun by announcing who's passed the exam until all the results are in.