Definition
This idiom is used to express that something does not affect or concern someone; it indicates that a matter is of no consequence or importance to the person.
與我無關，我不在乎
It's no skin off my nose if they decide to cancel the project.
如果他們決定取消這個項目，對我來說無關痛癢。
It's no skin off my nose if you don't want to come to the party.
如果你不想來參加派對，對我來說無所謂。
It's no skin off my nose if he chooses not to listen to my advice.
如果他選擇不聽我的建議，對我來說無關緊要。