污垢 (wū gòu) — dirt, filth, grime

Definition

Examples

• 他的衣服上有很多污垢。
  Tā de yī fu shàng yǒu hěn duō wū gòu.
  There is a lot of dirt on his clothes.
• 这个地方很久没打扫了，到处都是污垢。
  Zhè ge dì fāng hěn jiǔ méi dǎ sǎo le, dào chù dōu shì wū gòu.
  This place hasn't been cleaned in a long time; there's dirt everywhere.
• 我们需要用清洁剂去除这些污垢。
  Wǒ men xū yào yòng qīng jié jì qù chú zhè xiē wū gòu.
  We need to use cleaning agent to remove this grime.

Origin