YOU SAID:
She knew everything about him and used it against him.
INTO JAPANESE
彼女は彼のすべてを知っていて、彼に対してそれを使った。
BACK INTO ENGLISH
She knew everything about him and used it against him.
INTO JAPANESE
彼女は彼のすべてを知っていて、彼に対してそれを使った。
BACK INTO ENGLISH
She knew everything about him and used it against him.
That didn't even make that much sense in English.