用作定语
▲～+n.
The situation in the Middle East has been a controversial topic for decades.数十年来,中东地区的形势一直是颇有争议的问题。
The villagers are talking about controversial ground.村民们正在谈论有争议的土地。
用作表语
▲S+be+～
 The topic of argument is controversial.这个议题是很有争议的。

［同义词］   arguable, debatable