毛病 (máo bìng) — fault, defect, problem (with a machine, system, or person); ailment, illness (colloquial)

Definition

Examples

• 这台电脑经常出毛病，需要修一下。
  Zhè tái diàn nǎo jīng cháng chū máo bìng, xū yào xiū yí xià.
  This computer often has problems; it needs to be fixed.
• 他这个人最大的毛病就是太粗心。
  Tā zhè ge rén zuì dà de máo bìng jiù shì tài cū xīn.
  His biggest fault is being too careless.
• 我最近胃有点毛病，想去医院看看。
  Wǒ zuì jìn wèi yǒu diǎn máo bìng, xiǎng qù yī yuàn kàn kàn.
  I've been having some stomach trouble lately; I want to go to the hospital.