law in actionglossary / LAW IN ACTION law in action. The law as applied in the day-to-day workings of the legal system, as opposed to the law found in books. — Sometimes written law-in-action. See LEGAL REALISM. Cf. LAW IN BOOKS. 词条贡献者 资深译员Michael,国内知名法学院法律翻译专业,擅长翻译各类与劳动诉讼相关的法律文件。