钻牛角尖
zuān niú jiǎo jiān
Definitions
- 1. lit. to penetrate into a bull's horn (idiom); 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
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