对什么失去兴趣用英语怎么说

"Lose interest" 是表示对某事物失去兴趣的常用说法。它的来源可能源自于日常语言的使用。

例句：

I used to love playing video games, but now I've lost interest. (我曾经喜欢玩电子游戏，但现在我已经失去兴趣了。)
He lost interest in his job and decided to quit. (他对工作失去兴趣，决定辞职。)
She's lost interest in their relationship and wants to break up. (她对他们的关系失去兴趣，想要分手。)