Daily Chinese Idiom Guessing Game
To have nothing at all; to be utterly destitute or without possessions.
什么也没有。指钱财，也指成绩、知识。
《敦煌变文集·庐山远公话》如水中之月，空里之风，万法皆无，一无所有。”
After the fire, he was left with nothing — truly yi wu suo you.