钻牛角
to waste time on insignificant problems; to split hairs
Frequency 3.0
Meanings
- 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