钻牛角 to bash one's head against a brick wall; a wild goose chase; a blind alley; to split hairs 钻牛角尖 to bash one's head against a brick wall; a wild goose chase; a blind alley; to split hairs 钻圈 jumping through hoops (a...
Some parents hire professionals tosplithairs for them: lawyers who specialise in appealing school-admissions decisions report a booming trade, despite the high price of their services.
Labels are hinting that these services are illegal because what Amazon and Google are doing is making copies of original work, which, if you want tosplithairs, is yes, what they are doing.