YOU SAID:

hanging yourself and stabbing yourself are suicide

INTO JAPANESE

自分をぶら下げて自分を刺すのは自殺だ

BACK INTO ENGLISH

It's suicide to hang yourself and stab yourself.

INTO JAPANESE

首を吊って刺すのは自殺だ。

BACK INTO ENGLISH

It is suicide to hang and stab.

INTO JAPANESE

ぶら下がって刺すのは自殺です。

BACK INTO ENGLISH

It is suicide to hang and stab.