noun, noun or participle which takes 'suru'
conservatives and reformists being neck and neck; balanced conservative and progressive strengths
A yojijukugo used in political contexts to describe a situation where conservative and reformist factions are evenly matched in strength or influence.
国会では保革伯仲の状態が続いている。
In the Diet, the conservatives and reformists remain neck and neck.
A yojijukugo composed of 保 (conservative), 革 (reform), 伯仲 (being evenly matched). The exact historical derivation is uncertain, but it is a modern political term.