YOU SAID:
if i do not win i swear ill kill you
INTO JAPANESE
私が勝たないなら私は病気を誓うあなたを殺す
BACK INTO ENGLISH
If I do not win I swear I will kill you
INTO JAPANESE
私が勝たなければ私はあなたを殺すと誓う
BACK INTO ENGLISH
I swear I will kill you unless I win
INTO JAPANESE
私は勝たない限り私はあなたを殺すと誓う
BACK INTO ENGLISH
I swear I will kill you unless I win
You've done this before, haven't you.