不偏不倚

Explanation: Reliance: Partial. Does not favor any party. Neutral or impartial. 　　Usage: Joint type; as predicate, attributive, adverbial; used to represent the impartiality, neutrality 　　Source: Song Xi "Mean Annotations": "a person who, impartial, no less than the name." 　　Examples: People for too long, ~, in line with the doctrine, the quintessence as a destination, it was decided no abuse of. (Lu Xun's "Wandering High Old Master") 　　Riddle: Positive; the middle Thesaurus:  a happy medium, Impartiality No party, have no choice but do one thing and neglect another, overall planning and all-round consideration, without fear or favour impartiality, love without distinction impartiality