题目内容：

I am 5 years old younger than you对,还是I am 5 years younger than you对?

优质解答

I am 5 years younger than you是对的.
也可以说：You are five years OLDER than I == YOU are older than me / I by 5 years.

追问：

为什么第二个错了？

追答：

I am 5 years older / younger than you -------这样就对了

追问：

啊对不起，我问错了，是第一个为什么错了

追答：

old / young只能用一个