YOU SAID:

i cannot believe that you would kill yourself

INTO JAPANESE

私はあなたがあなた自身を殺すことを信じることができません。

BACK INTO ENGLISH

I cannot believe that you kill yourself.

INTO JAPANESE

私はあなたが自分を殺すなんて信じられない。

BACK INTO ENGLISH

Believe me you kill yourself.

INTO JAPANESE

あなた自身を殺す私を信じてください。

BACK INTO ENGLISH

Believe me you kill yourself.