实用英语：“三分钟热度”英文怎么说？

英语自学网

　　做事情只有三分钟热度?这是否也一直困扰着你呢?今天我们就来看看如何用英语来表达“三分钟热度”。
        　　3-minute passion is a Chinese saying which refers to a person having a
limited passion or a passion that doesn't last long toward something/someone
that he/she liked/loved/had passion about.
        　　“三分钟热度”是个中国俗语，指的是一个人对他喜欢、或者有热情的人或事物只能保持有限或短暂的热情。
        　　例句：
        　　A: I would like to learn piano therefore I will need to buy one.
        　　B: Oh, I suggest that you think carefully before you buy one as you are
always a '3-minute passion' person.
        　　A：我想学钢琴，所以得买一架。
        　　B：哦，我建议你买之前要仔细考虑，因为你经常只有三分钟热度。