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 译者圣强,毕业于一所培养高级翻译以及跨文化事务专家的精英大学,擅长翻译各种与房地产交易及建筑纠纷相关的法律文件。