“Salt” is rated PG-13 (Parents strongly cautioned). Fisticuffs and gunplay, accompanied by swearing.

定级为PG-13（家长辅导级）。打斗和枪战，伴有粗口。

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"Like Crazy" is rated PG-13 (Parents strongly cautioned).

《爱疯了》定为PG - 13级(父母强烈陪同)。

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But his paradise is almost lost without characters and dialogue as imaginative as their setting. Rated PG-13 for warfare, sensuality and language.

但是，他的天堂里面的人物和对话是却没有像场景那样更富有创意。

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Scenes of smoking have become increasingly rare in non-R-rated movies, according to the MPAA. Of the movies portraying smoking in recent years, 72% were rated R, 21% were rated PG-13, and 6% were rated PG.

CNN: Should smoking trigger an R rating?

In the study, the relative handful of smoking scenes in G- or PG-rated movies didn't appear to influence a child's likelihood of trying cigarettes.

CNN: Should smoking trigger an R rating?

About the PG-rated "How to Train Your Dragon, " for example, we learn that it includes such phrases as, "All hell is going to break loose in my undies, " "The gods hate me, " "This is stupid, " "It's us, idiots!"

WSJ: Roger Ebert on Movie Ratings