No matter what you may say, I won't change my mind.
- Ne söylersen söyle farketmez, kararımı değiştirmeyeceğim.
It doesn't matter to me.
- Benim için farketmez.
Besides, if it had been out of doors I had not mattered it so much; but with my own servant, in my own house, under my own roof.
Sorry for pouring ketchup on your clean white shirt! - Oh, don't worry, it does not matter.
a trivial matter.