云飞雨散

Explanation: The original metaphor of things no longer exist. 　　Source: Suizhang Gong Li "Longcangsi monument" gold code word treasure, Yudie Lun words, letters full of surplus letter, Yunfei scattered rain. "Former Shu Guan Xiu's" difficulties in traveling "Poetry of the two Yunfei scattered rain this case, embroidered door of an inner carving Ikara for Aratani."