contentious
/kənˈtenʃəs/adjective
1- causing or likely to cause an argument; controversial（可能）引起争论的; 有争议性的：
a contentious issue.
有争议的问题。
1.1
- involving heated argument争论的; 争辩的; 争执的：
the socio-economic plan had been the subject of contentious debate.
社会经济规划一直是辩论的主题。
1.2
- Law of, relating to, or involving differences between contending parties【律】双方有争议的。
1.3
- (of a person) given to arguing or provoking argument（人）好争论的; 动辄争吵的。
派生词
contentiously
adverbcontentiousness
noun词源
late Middle English: from Old French contentieux, from Latin contentiosus, from content- 'striven', from the verb contendere.