YOU SAID:

stop being such an idiot

INTO JAPANESE

そんな馬鹿になるのをやめろ

BACK INTO ENGLISH

Stop being such an idiot

INTO JAPANESE

そんな馬鹿になるのはやめよう

BACK INTO ENGLISH

Let's not be such an idiot

INTO JAPANESE

そんな馬鹿にならないようにしよう

BACK INTO ENGLISH

Let's not be such an idiot