G – General Audiences All ages admitted. Nothing that would offend parents for viewing by children.

　　所有年龄都允许。小孩看也不会引起家长的不愉快

　　PG – Parental Guidance Suggested Some material may not be suitable for children. Parents urged to give "parental guidance".

　　一些内容不适合小孩，建议在家长指导下观看

　　PG-13 – Parents Strongly Cautioned Some material may be inappropriate for children under 13. Parents are urged to be cautious.

　　一些内容可能不适合13岁以下的小孩，强烈建议家长要留意

　　R – Restricted Under 17 requires accompanying parent or adult guardian. Contains some adult material.

　　17岁以下的观看者需要有家长的陪同和监督。包含一些成人内容

　　NC-17 – Adults Only No One 17 and Under Admitted. Clearly adult.

　　17岁及17岁以下的小孩不允许观看。只允许成人观看