YOU SAID:
Yeah! I didnt know that!
INTO JAPANESE
うん!それは知りませんでした!
BACK INTO ENGLISH
Yeah! I did not know that!
INTO JAPANESE
うん!それは知らなかった!
BACK INTO ENGLISH
Yeah! I do not know that!
INTO JAPANESE
うん!そんなことは分かりません!
BACK INTO ENGLISH
Yeah! I don't know!
INTO JAPANESE
うん!わからない!
BACK INTO ENGLISH
Yeah! I don't know!
That didn't even make that much sense in English.