YOU SAID:

i will now kill you with my fists

INTO JAPANESE

私は今私の拳であなたを殺すでしょう

BACK INTO ENGLISH

Will I kill you with my fists now

INTO JAPANESE

私を殺して私の拳今

BACK INTO ENGLISH

I kill my fist right now

INTO JAPANESE

私は今私の拳を殺す

BACK INTO ENGLISH

Me now kill my fist

INTO JAPANESE

私は今、私の拳を殺す

BACK INTO ENGLISH

Me now kill my fist