skin off one's nose的用法

skin off one's nose是俚语，我们来看看它的用法：

It's no skin off my nose.

那不关我的事。

一个俚语，skin off one's nose，和某人无关。我们口语中还经常遇到另外两个表示与某人无关的句子：It's not my business. 或是：It has nothing to do with me.