Shame refers to Yang Guifei (Yang Yuhuan)

Shen Yu refers to the stone.

The wild goose refers to Wang Zhaojun.

Extended data:

1, the "four beauties" in ancient China: the story of Shi, Wang Zhaojun and Di Xinhe? Who is the first of the four beauties in China? It's been decided, but that's an ancient arrangement. History comes first, Wang Zhaojun comes second, the story of Diexin comes third, and finally. Stone is the embodiment and pronoun of beauty. The four beauties enjoy the reputation of "closing the moon to shame flowers, sinking fish and falling geese".

2. "It's a wonderful story to close the moon and feel ashamed to sink fish and fall wild goose": "Sinking fish" tells the story of gauze; "Wild Goose" refers to the story of Zhao Jun leaving the village; "Closed Moon" tells the story of Diusim and Yue Bai; Shame on Flowers tells the story of Yang Guifei enjoying flowers.

References:

Baidu encyclopedia-sinking fish and falling geese, closing the moon and putting flowers to shame