YOU SAID:
Hello you must be really stupid
INTO JAPANESE
こんにちはあなたは本当に愚かでなければなりません
BACK INTO ENGLISH
Hello You must be really stupid
INTO JAPANESE
こんにちはあなたは本当に愚かでなければなりません
BACK INTO ENGLISH
Hello You must be really stupid
That didn't even make that much sense in English.