YOU SAID:
David is one of the dumbest people alive
INTO JAPANESE
デビッドは生きている最も愚かな人の一人です
BACK INTO ENGLISH
David is one of the stupidest living
INTO JAPANESE
デビッドは愚かな生活の一人です
BACK INTO ENGLISH
David is one of the stupid lives
INTO JAPANESE
デビッドは愚かな生活の1つです
BACK INTO ENGLISH
David is one of the stupid lives
That didn't even make that much sense in English.