YOU SAID:

you are a very rotten child and should've been disciplined more when you were younger

INTO JAPANESE

あなたは非常に腐った子供で、若い頃にもっとしつけをするべきだった

BACK INTO ENGLISH

You were a very rotten child and should have been disciplined more when you were younger

INTO JAPANESE

あなたは非常に腐った子供だったし、若い頃にもっとしつけをするべきだった

BACK INTO ENGLISH

You were a very rotten child and should have been disciplined more when you were younger