In the UK, an 18 next to a film means the board has said it is only for people aged 18 and older. These films often have strong sex, violence, or very dark themes. You will hear an 18, an 18 certificate, rated 18. Cinemas are meant to check.

In the UK在英國，an 18 next to a film電影旁邊標著一個 18，means the board has said意思是審查委員會說了，it is only for它只給 people aged 18 and older滿十八歲的人看。These films often have這些電影常有 strong sex, violence強烈的性、暴力，or very dark themes或非常黑暗的主題。You will hear你會聽到 an 18、an 18 certificate 18 級證明、rated 18被列為 18 級。Cinemas電影院 are meant to check照規定要查驗。

Though actually, the old American letter for this kind of film was X; people still say X-rated in loose talk, especially about sex films, but the official US stamp you meet now is more often NC-17, and ordinary strong films there are R, which still lets under-18s in with a parent — so the systems do not line up one-to-one.

Though actually不過實際上，the old American letter for this kind of film這類電影在美國的舊字母，was X是 X；people still say X-rated人們仍會說 X-rated，in loose talk說得比較鬆的時候，especially about sex films尤其講到色情片，but the official US stamp you meet now但你現在會遇到的美國官方標記，is more often NC-17更常是 NC-17，and ordinary strong films there而那裡一般的重口味電影，are R是 R 級，which still lets under-18s in with a parent有家長陪同、未滿十八歲仍可進場——so the systems do not line up one-to-one所以兩套制度並不是一對一對得起來。

There is also R18 in Britain, a narrower label for sex films shown in special cinemas. Everyday British English just says 18 for the usual adult cinema rating.

in Britain英國，There is also R18還有一個 R18，a narrower label一個範圍更窄的標籤，for sex films shown in special cinemas給在特別戲院放映的色情片用。Everyday British English日常英式英文，for the usual adult cinema rating說到一般的成人電影分級，just says 18就只說 18。