YOU SAID:

I want to commit murder against myself.

INTO JAPANESE

私は自分自身に対して殺人を犯したいです。

BACK INTO ENGLISH

I want to murder myself.

INTO JAPANESE

自分を殺したい。

BACK INTO ENGLISH

I want to kill myself.

INTO JAPANESE

この手で殺したい

BACK INTO ENGLISH

I want to kill him myself.

INTO JAPANESE

この手で殺したい

BACK INTO ENGLISH

I want to kill him myself.