不露锋铓

Explanation: Analogy talent is not exposed. Song Shen, including "Meng Xi Bi Tan make writing": "(Kou Zhun) can break big, sloppy; are go-getters device, do not reveal edge." 　　Source: Song Shen Kuo, "Meng Xi Bi Tan make writing" (Kou Zhun) can break big, sloppy; are go-getters device, do not reveal edge. "