YOU SAID:

i guess you never really know someone as well as you thought you did

INTO JAPANESE

私はあなたが本当に誰かを知っていなかったと思います

BACK INTO ENGLISH

I think you didn't really know anyone

INTO JAPANESE

あなたは本当に誰も知らなかったと思う

BACK INTO ENGLISH

I think you really didn't know anyone

INTO JAPANESE

あなたは本当に誰も知らなかったと思う

BACK INTO ENGLISH

I think you really didn't know anyone