钻牛角
zuān niú jiǎo

Translation

  • lit. honing a bull's horn
  • fig. to waste time on an insoluble or insignificant problem
  • to bash one's head against a brick wall
  • a wild goose chase
  • a blind alley
  • to split hairs
  • same as idiom 鑽牛角尖|钻牛角尖
Chinese Tones