YOU SAID:

kill the guy sitting next to me, or i will murder your mom

INTO JAPANESE

私の隣に座っている人を殺すか、あなたのお母さんを殺します

BACK INTO ENGLISH

Kill someone sitting next to me or kill your mother

INTO JAPANESE

私の隣に座っている人を殺すか、あなたの母親を殺す

BACK INTO ENGLISH

Kill someone sitting next to me or kill your mother