YOU SAID:

I'm so good you don't even know

INTO JAPANESE

私あまりよく知りもしません。

BACK INTO ENGLISH

Not even I know too well.

INTO JAPANESE

ない私はあまりにもよく知っています。

BACK INTO ENGLISH

I do not know too well.

INTO JAPANESE

私はあまりにもよくわからない。

BACK INTO ENGLISH

I do not know too well.