鼎足而三

Explanation: Compared against the situation in the three areas. Also refers to three aspects. 　　Usage: Partial official; as the predicate attribute; that one-third of the world 　　Source: SD State Amount "Night Tan was with the recorded Cuixiu": "A wife is a woman inside a son, Yan and the three rival powers." 　　Examples: Old man in the gallery, looking at the elderly couple's children the best, this two-good woman, ~, too raw for a sense of envy, because induced sigh. (Qing, Culture and Sport "Heroic Biography" thirty-back) Thesaurus:  Separate categories, a situation of tripartite confrontation, Tripod, stand up to sb.as an equal, Three rival powers