contentious

她总是喜欢在家庭聚会上挑起争论。

She tends to be ___contentious at family gatherings.

这个有争议的提案在会议上引发了激烈的讨论。

The ___contentious proposal sparked a heated debate at the meeting.

工资问题仍然是公司与员工之间最具争议的焦点。

The salary issue remains the most ___contentious point between the company and its employees.