1. 有争议的;引发争论的
If you describe something or someone as controversial, you mean that they are the subject of intense public argument, disagreement, or disapproval.

controversially
More controversially, he claims that these higher profits cover the cost of finding fresh talent...
更具争议的是，他声称这些更高的利润可足以支付寻找新人才所花费的成本。
David Hirst was controversially sent off on his European debut for Sheffield Wednesday last night.
周三，也就是昨天晚上大卫·赫斯特代表谢菲尔德足球俱乐部参加他在欧洲的首场比赛时被罚下场，引来一片争议。

1. marked by or capable of arousing controversy

e.g. the issue of the death penalty is highly controversial
Rushdie's controversial book
a controversial decision on affirmative action