X-rated /ˈɛksˈreɪtəd/ adjective Learner's definition of X-RATED
of a movie
: having a rating of X : not suitable to be seen by people under age 17 in the U.S. and under 18 in the U.K. because of violence, offensive language, or sexual activityX级的（影片分级用语，指因含暴力、粗俗语言或色情内容不适合美国17岁以下、英国18岁以下青少年观看的电影 —
often used figuratively常用作比喻