YOU SAID:
I'm gonna kill myself with a knife
INTO JAPANESE
私はナイフで自分を殺すつもりです
BACK INTO ENGLISH
I am going to kill myself with a knife
INTO JAPANESE
私はナイフで自分を殺すつもりです
BACK INTO ENGLISH
I am going to kill myself with a knife
That didn't even make that much sense in English.