the life and soul of the party 灵魂人物

“The life and soul of the party 聚会上的生命和灵魂” 指 “在社交场合中的活跃分子，能给周围带活力和乐趣的人”，也就是汉语里说的 “灵魂人物、 核心人物”。

例句

Rose is such a fun girl! She's always the life and soul of the party – everyone enjoys her company.

罗丝真是个有意思的姑娘！她总是社交活动中的焦点，大家都喜欢和她待在一起。

I was worried about introducing my new boyfriend to my friends over dinner, but it went really well! He was the life and soul of the party and got on with everyone.

我本来很担心要借吃饭的机会把新男友介绍给我的朋友们，但没想到很成功！他成了众人中的焦点，和所有人都处得很好。

I wish my brother didn't always have to be the life and soul of the party! It was my birthday but everyone paid attention to him.

我多希望我弟弟不要总是想成为受众人瞩目的焦点！那天是我过生日，但所有人的注意力都在他身上。