牛角挂书 niú jiǎo guà shū

DEFINITIONS

  1. lit. to hang one's books on cow horns (idiom)
  2. fig. to be diligent in one's studies

CHARACTERS

牛 niú
HSK 2
cow, ox, bull; KangXi radical93
角 jiǎo
HSK 3
horn; angle, corner; point
挂 guà
HSK 4
hang, suspend; suspense
书 shū
HSK 1
book, letter, document; writings