YOU SAID:

if you wanna be mad at someone beat yourself up

INTO JAPANESE

誰かに腹を立てたいなら自分を打ち負かす

BACK INTO ENGLISH

If you want to get angry with someone, beat yourself

INTO JAPANESE

誰かに腹を立てたいなら、自分を打ち負かしてください

BACK INTO ENGLISH

If you want to get angry with someone, beat yourself