Sanctions are expected to be among the most contentious issues.

制裁可能会是争议最大的问题之一。

...a country where land prices are politically contentious.

因土地价格引发政治争议的国家

Rodney was a cheerful, elegant and gregarious if rather contentious man.

罗德尼尽管非常喜欢与人争辩，却是个阳光、优雅、合群的人。