YOU SAID:

it was a humongous mistake

INTO JAPANESE

それは巨大な間違いだった

BACK INTO ENGLISH

it was a gigantic mistake

INTO JAPANESE

それは大きな間違いだった

BACK INTO ENGLISH

It was a big mistake.

INTO JAPANESE

ごめん。

BACK INTO ENGLISH

Sorry.

INTO JAPANESE

ごめん。

BACK INTO ENGLISH

Sorry.