YOU SAID:

Mom and dad I am very sorry to tell you I failed

INTO JAPANESE

ママとパパ、私が失敗したと言って本当にごめんなさい

BACK INTO ENGLISH

Mom and Dad, I'm so sorry to say I failed

INTO JAPANESE

ママとパパ、失敗してごめんね

BACK INTO ENGLISH

Mom and Dad, sorry for the mistake

INTO JAPANESE

お父さん、お母さん、間違えてごめんなさい

BACK INTO ENGLISH

Mom and Dad, sorry for the mistake