controversy
/ˈkɔntrəvɜ:sɪ, kənˈtrɔvəsɪ; `kɑntrəˌvəsɪ/ n[U, C]
~ (about/over sth) public discussion or argument, often rather angry, about sth which many people disagree with 公开辩论; 论战
The appointment of the new director aroused a lot of controversy, ie Many people publicly disagreed with it. 新负责人的任命引起了激烈的争论.
a bitter controversy about/over the siting of the new airport 对新机场选址问题的剧烈争论.