YOU SAID:

Tom has never driven a car before in his life, therefore he is a young person

INTO JAPANESE

トムは人生でこれまで車を運転したことがないので、彼は若い人です

BACK INTO ENGLISH

He's a young man because Tom has never driven a car in his life

INTO JAPANESE

トムは人生で車を運転したことがないので、彼は若い男です

BACK INTO ENGLISH

He's a young man because Tom has never driven a car in his life