钻牛角
zuān niú jiǎo
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释义
- 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