玉石混淆

Explanation: Good and bad mixed metaphor. 　　Source: Jin Ge Hong's "Baopuzi hundreds of" authenticity reversed, jade confusion. " 　　Examples: [Temple] on both sides are passing verse, Ying Mei households lattice window, title dye it demonstrated, often ~ be quite unreadable. ★ Song Yueke "Huan Shi Huaiyin Temple"