YOU SAID:
Carl is the smartest guy I know! Do you know Carl?
INTO JAPANESE
カールは私が知っている最も賢い人です!あなたはカールを知っていますか?
BACK INTO ENGLISH
Carl is the smartest person I know! Do you know Carl?
INTO JAPANESE
カールは私が知っている最も賢い人です!あなたはカールを知っていますか?
BACK INTO ENGLISH
Carl is the smartest person I know! Do you know Carl?
That didn't even make that much sense in English.