鑽牛角 zuān niú jiǎo

DEFINITIONS

  1. lit. honing a bull's horn; fig. to waste time on an insoluble or insignificant problem
  2. to bash one's head against a brick wall
  3. a wild goose chase
  4. a blind alley
  5. to split hairs
  6. same as idiom 鑽牛角尖|钻牛角尖

CHARACTERS

鑽 zuān drill, bore; pierce; diamond
牛 niú
HSK 2
cow, ox, bull; KangXi radical93
角 jiǎo
HSK 3
horn; angle, corner; point