principal challengeglossary / principal challenge A for-cause challenge that arises when facts and circumstances support a conclusive pre-sumption of a juror’s bias, resulting in automatic disqualification. See challenge for cause. 词条贡献者 法律翻译家欣,毕业于德国顶尖的高级翻译学院,专注翻译各类与体育诉讼有关的法律文件。