X-rated
adjective [ not gradable ] uk/ˈeksˌreɪ.tɪd/ us/ˈeksˌreɪ.t̬ɪd/
（电影、电子影像、书籍、杂志等）X级的，青少年禁看的，只供成年人看的；下流的，淫秽的
(of movies, electronic images, books, magazines, etc.) containing very rude language or pictures or information about sex that is generally considered offensive