YOU SAID:
be a better man than your father
INTO JAPANESE
あなたのお父さんよりも良い人になりなさい
BACK INTO ENGLISH
Be a better person than your dad
INTO JAPANESE
あなたのお父さんよりも良い人になりましょう
BACK INTO ENGLISH
Be a better person than your dad
That didn't even make that much sense in English.