YOU SAID:

i do not know what you are telling me

INTO JAPANESE

あなたが私に言っているかわからないです。

BACK INTO ENGLISH

I don't know what you are saying to me.

INTO JAPANESE

あなたが私に言っていることは分かりません。

BACK INTO ENGLISH

I do not know what you are telling me.

INTO JAPANESE

あなたが私に何を言っているのか分かりません。

BACK INTO ENGLISH

I do not know what you are telling me.