圭角不露

Explanation: Kyu angle: angular Guyana the edge. Refers to the deep edge is not exposed. 　　Source: "Confucian Book of Rites, the line", "destroying the party and the tiles together," Han Zheng Xuan's Note: "to have great Kyu angle, the next with all the villains together also." Brief Account Shu: "Gui Gui angle that has shocked the edge angle. Introduction Confucian constant body Founder, if the fabric had Kyu angle; do not wish the public had very different to its large Kyu angle, made even worse small Kyu horn. " 　　Examples: Totally just strength, ~, is a comfortable home Chishen inexperienced also. ★ Ming-Hong Ying-ming, "Cai Gen Tan entertainment"