YOU SAID:
You are one of the dumbest people I've ever met in my entire life
INTO JAPANESE
あなたは私の人生で最も愚かな人の一人です
BACK INTO ENGLISH
You're one of the stupidest people in my life.
INTO JAPANESE
君は私の人生で最も愚かな人物の一人だ
BACK INTO ENGLISH
You're one of the stupidest people in my life.
That didn't even make that much sense in English.