YOU SAID:
I know you know that I know him
INTO JAPANESE
私はあなたが私が彼を知っていることを知っている
BACK INTO ENGLISH
I know that you know me
INTO JAPANESE
分かってるんでしょ。
BACK INTO ENGLISH
You know what?
INTO JAPANESE
気が変わった。
BACK INTO ENGLISH
You know what?
That didn't even make that much sense in English.