X-certificate
Longman Dictionary of Contemporary English 5++LDOCE 5++X-cer·tif·i·cate /ˈeks səˌtɪfɪkət $ -sər-/ adjective, noun AMFan X-certificate film is one that people under 18 are not allowed to see in Britain because it contains sex or violence 〔电影〕X 级的;X 级片〔含有性或暴力内容,在英国未满18岁者禁止观看〕 → PG, R2, U1(2)
Examples from the Corpus
X-certificate• It was still new, exciting, a treat. X-certificate films were within our grasp.X-cer·tif·i·cate adjectiveChineseSyllable
an that is Corpus one 18 X-certificate under film people

