YOU SAID:

why must I be so stupid

INTO JAPANESE

なぜ私はそんなに愚かでなければならないのですか？

BACK INTO ENGLISH

Why should I be so stupid?

INTO JAPANESE

なぜ愚かなする必要がありますか。

BACK INTO ENGLISH

You must be stupid why?

INTO JAPANESE

あなたはなぜばかなのでしょうか？

BACK INTO ENGLISH

Why are you an idiot?

INTO JAPANESE

馬鹿じゃないの？

BACK INTO ENGLISH

Are you an idiot?

INTO JAPANESE

馬鹿じゃないの？

BACK INTO ENGLISH

Are you an idiot?