败类 (bài lèi) — scum; degenerate (disparaging term for morally corrupt or worthless people)

Definition

Examples

• 社会上那些败类真让人讨厌。
  Shè huì shàng nà xiē bài lèi zhēn ràng rén tǎo yàn.
  Those scum in society are really annoying.
• 他是我们家族的败类，做了很多不可原谅的事情。
  Tā shì wǒ men jiā zú de bài lèi, zuò le hěn duō bù kě yuán liàng de shì qing.
  He is the degenerate of our family, having done many unforgivable things.
• 大家都说他是败类，但我还是愿意给他一个机会。
  Dà jiā dōu shuō tā shì bài lèi, dàn wǒ hái shì yuàn yì gěi tā yí gè jī huì.
  Everyone says he's scum, but I'm still willing to give him a chance.