自鸣得意 (zì míng dé) — to be smug and self-satisfied; to preen oneself

Definition

Examples

• 他刚升职就自鸣得意，让同事很不舒服。
  Tā gāng shēng zhí jiù zì míng dé, ràng tóng shì hěn bù shū fu.
  He just got promoted and started preening himself, making his colleagues uncomfortable.
• 别自鸣得意了，你的成绩还没那么好。
  Bié zì míng dé le, nǐ de chéng jì hái méi nà me hǎo.
  Don't be so smug; your achievements aren't that great.
• 她总是自鸣得意，其实大家都不喜欢她。
  Tā zǒng shì zì míng dé, qí shí dà jiā dōu bù xǐ huan tā.
  She's always preening herself, but actually nobody likes her.