YOU SAID:

Your younger is so big

INTO JAPANESE

あなたの若い人はとても大きい

BACK INTO ENGLISH

Your young person is very big

INTO JAPANESE

あなたの若者は非常に大きな

BACK INTO ENGLISH

Your youth is very large

INTO JAPANESE

あなたの若さが非常に大きい

BACK INTO ENGLISH

Your youth is very large