YOU SAID:
Bang her, I barely know her!
INTO JAPANESE
彼女をバング、私は彼女をほとんど知らない!
BACK INTO ENGLISH
Bang her, I hardly know her!
INTO JAPANESE
彼女をバング、私はほとんど彼女を知りません!
BACK INTO ENGLISH
Bang her, I hardly know her!
That didn't even make that much sense in English.