You know that.
You definitely know that.
聞いてよ。
As you know.
As you know.
You don't know that?
You know what you are about
わかるかい?
お分かり
Your understanding
You should know that.
You know that well.
わかるだろ
You may already know that.
You should already know that.
ご存じより
わかりますか?
I know him