1.TTRa small narrowstreet with no way out at one end 死胡同,死巷
2NOT DO somethinga way of doing something that seems as if it will have a successfulresult, but which in fact does not 死胡同〔指行不通的做事方法〕
False information has led the police up a series of blind alleys.
假情报把警方引进了一个个死胡同。
Examples from the Corpus
blind alley• The echinoderms may seem, from a human point of view, to be a blind alley of no particular importance.• Al said the talks had temporarily gone down a blind alley, but he was sure the two companies could agree.• If the police went charging up a blind alley as a result of her information, it wouldn't be her fault.• It took the reader down every blind alley.