YOU SAID:

oh man! i totally forgot to bring an octagon

INTO JAPANESE

なんということ！完全に八角形の忘れちゃった

BACK INTO ENGLISH

What a thing! Completely forgot octagonal

INTO JAPANESE

なんと!八角形は完全に忘れて

BACK INTO ENGLISH

Would you believe it! forget completely the octagonal

INTO JAPANESE

それを信じる!完全に八角形を忘れてください。

BACK INTO ENGLISH

Believe it! forget perfectly octagonal.

INTO JAPANESE

信じて下さい！正八角形を忘れます。

BACK INTO ENGLISH

Please believe it! Forget the regular Octagon.

INTO JAPANESE

それを信じてください!正八角形を忘れます。

BACK INTO ENGLISH

Please believe it! forget the octagonal.

INTO JAPANESE

それを信じてください!忘れては、八角形。

BACK INTO ENGLISH

Please believe it! forget the Octagon.

INTO JAPANESE

それを信じてください!オクタゴンを忘れます。

BACK INTO ENGLISH

Please believe it! forget the Octagon.