The moral principle (and narrative trope) of encouraging good and punishing evil; a four-character idiom often used to describe works with clear moral lessons.
昔話には勧善懲悪の教訓がはっきりと表れていることが多い。
Folktales often clearly express moral lessons of rewarding good and punishing evil.
その映画は単純な勧善懲悪の構図になっていると批評家に言われた。
Critics said that the film follows a simple good-versus-evil pattern.