re·ac·tion·ary /riˈækʃəˌnɛri/
  反動者,反動主義者(a.)反動的,反動主義的,反對改革的
  Re·ac·tion·a·ry a. Being, causing, or favoring reaction; as, reactionary movements.
  Re·ac·tion·a·ry, n.; pl. Reactionaries  One who favors reaction, or seeks to undo political progress or revolution.
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  reactionary
       adj : extremely conservative [syn: reactionist, far-right]
       n : an extreme conservative; an opponent of progress or
           liberalism [syn: ultraconservative, extreme
           right-winger]