[no matter] 1. Not anything important.
I wanted to see himbefore he left but it’s no matter.
2. It makes no difference;regardless of.
She was going to be a singer no matter whatdifficulties she met.
He had to get the car fixed no matter howmuch it cost.
No matter what you try to do, it is important to beable to speak well.
You can’t go in no matter who you are.
Mary wanted to get to school on time, no matter if she went withoutbreakfast.Значение идиомы no matter