I don't recall.
覚えていないんだ。
I don't recall.
あまり覚えてないんだ。
I don't remember anything.
覚えておきます。
I remember nothing
覚えていろよ。
I will get even with you some day.
I don't remember that at all.
本当に覚えてないの?
There aren't many people who remember that.
I remember everything.
I can't remember that either.
to have a dim remembrance of―have a clear recollection of―anything
We must learn little by little.
I don't remember anything about that.
I don't remember that well.