yíng​fèn​diǎn​yù

a fly in the ointment

  1. fly
    (bound form) fly; common housefly or similar insect in the order Diptera, typically referring to 苍蝇 cāng​ying
  2. manure
    excrement; dung; animal droppings
  3. dot
    dot; spot; speck; the dot stroke in Chinese characters
  4. noun
    jade
    precious stone that is hard, translucent, and lustrous, including both nephrite and jadeite; used for jewelry and carving