YOU SAID:

Put a gun against his head, pulled my trigger, now he's dead

INTO JAPANESE

彼の頭に銃を置き、私の引き金を引いた、今彼は死んでいる

BACK INTO ENGLISH

I put a gun on his head and pulled my trigger, now he is dead

INTO JAPANESE

私は彼の頭の上に銃を置き、私の引き金を引いた、今彼は死んでいる

BACK INTO ENGLISH

I put a gun on his head and pulled my trigger, now he is dead