If you describe something or someone as controversial, you mean that they are the subject of intense public argument, disagreement, or disapproval.
双语例句
例： Immigration is a controversial issue in many countries.
移民在很多国家都是一个有争议的问题。
例： The changes are bound to be controversial.
这些变革注定是有争议的。
例： the controversial 19th century politician Charles Parnell.
19世纪备受争议的政治家查尔斯?帕内尔。