lit. to penetrate into a bull's horn (idiom); 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
trad. 鑽牛角尖
Also written 鑽牛角尖【zuān niú jiǎo jiān】
lit. to penetrate into a bull's horn (idiom); 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
trad. 鑽牛角尖
Also written 鑽牛角尖【zuān niú jiǎo jiān】