YOU SAID:

Oh na bro why’d you do that earlier?

INTO JAPANESE

ああ、兄さん、なぜもっと早くそれをしたのですか？

BACK INTO ENGLISH

Oh, brother, why did you do it sooner?

INTO JAPANESE

ああ、お兄さん、なぜもっと早くやったのですか？

BACK INTO ENGLISH

Oh, brother, why didn't you do it sooner?

INTO JAPANESE

ああ、お兄さん、なぜもっと早くしなかったのですか？

BACK INTO ENGLISH

Oh, brother, why didn't you do it sooner?