YOU SAID:

That thou hast practiced on her with foul charms,

INTO JAPANESE

あなたが彼女に悪い魅力を施したこと、

BACK INTO ENGLISH

that you gave her a bad charm,

INTO JAPANESE

あなたが彼女に悪い魅力を与えたこと、

BACK INTO ENGLISH

that you gave her a bad charm,