The film was banned as a result of protests by the Viewers Association and other so-called guardians of public morality.由于观众协会和其他所谓公共道德的卫道士提出抗议,这部影片被禁止上映。The newspaper has become the self-appointed guardian of public morals.这家报纸自命为公共道德的维护者。His actions are an offense to public morals.他的行为有悖公共道德。