YOU SAID:

Wow! That's not NOT nice of you to say! What?! It's opposite day!

INTO JAPANESE

おお！そんなこと言うのは良くないよ！何？！反対日ですよ！

BACK INTO ENGLISH

oh! It's not nice to say that! what? ! It's the opposite day!

INTO JAPANESE

おお！そんなこと言うのはよくないよ！何？ ！反対日ですよ！

BACK INTO ENGLISH

oh! It's not nice to say that! what? ! It's the opposite day!