YOU SAID:

I am the world's greatest best man by far

INTO JAPANESE

私はこれまでに世界最高の最高の男です

BACK INTO ENGLISH

I am the best best man in the world so far

INTO JAPANESE

私は今のところ世界最高の最高の男です

BACK INTO ENGLISH

I am the best best man in the world for now

INTO JAPANESE

私は今のところ世界最高の人です

BACK INTO ENGLISH

I am the best person in the world for now

INTO JAPANESE

私は今のところ世界で最高の人です

BACK INTO ENGLISH

I am the best person in the world for now