ad·ver·sar·ial
adjective/ˌædvəˈseəriəl/
/ˌædvərˈseriəl/
(formal or specialist)- (especially of political or legal systems) involving people who are in opposition and who argue against each other
对立的；敌对的 - the adversarial nature of the two-party system
两党制的对抗本质 - an adversarial system of justice
诉讼抗辩制
- the adversarial nature of the two-party system