turn state’s evidenceglossary / TURN STATE'S EVIDENCE turn state’s evidence, vb. To cooperate with prosecutors and testify against other criminal defendants (after hours of intense negotiations, the suspect accepted a plea bargain and agreed to turn state’s evidence). 词条贡献者 资深译员维皓,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,专注翻译各种与反垄断诉讼有关的法律文件。