犬牙相制

Explanation: System: check. Refers to the boundary connection, such as interlocking, can contain each other. 　　Usage: The main predicate; as the predicate attribute; describe the territorial 　　Source: Qian Han, "Records of the Historian Ji Xiao text": "Gotti seal Wang Zaidi, to canines phase system, the so-called rock of the cases also, the world is its strong suits." 　　Examples: Early Tang Fu Bing height, after the changes to Military, though Hill is not domineering, and ~, and finally by means of its power. (Ming Feng Meng "Jingshitongyan" Volume XI) Thesaurus:  irregularity, Scattered mixed, Canines with the wrong Antonym Group:  No clear winner, all right matter, about the same (in term of competence, quality, etc.), Quarter between Bangladesh, march abreast, properly, Zhengran ordered