blind alley

英 [ˌblaɪnd ˈæli]

美 [ˌblaɪnd ˈæli]

n. 行不通的方法; 死胡同

牛津词典

noun

行不通的方法；死胡同
a way of doing sth that seems useful at first, but does not produce useful results, like following a path that suddenly stops

N-COUNT 死胡同；绝路；困境
If you describe a situation as ablind alley, you mean that progress is not possible or that the situation can have no useful results.
1. The Internet has proved a blind alley for many firms.
  事实证明，因特网对许多公司而言是一条行不通的路。

noun

(figurative) a course of action that is unproductive and offers no hope of improvement
1. all the clues led the police into blind alleys
2. so far every road that we've been down has turned out to be a blind alley
a street with only one way in or out
Synonym:cul de sacdead-end streetimpasse

The line of reasoning will only lead you up another blind alley.
那种推理方法只会把你引进另一条死胡同。
He took the next turning to the left but found himself in a blind alley.
他在下一个拐弯处向左走，但发现走进了一个死胡同。
The blind alley ended in a brick wall.
这条死胡同的尽头是砖墙。
Many can lead you down a blind alley& where you may lose the contents of your wallet.
很多机会可能会让你进入一个损失钱财的死胡同。
The path of reforms and opening-up are entirely correct, and their merits and achievements can never be negated. To stop or reverse reforms and opening-up would only lead to a blind alley.
改革开放方向和道路是完全正确的，成效和功绩不容否定，停顿和倒退没有出路。
He has been trying to solve his money problem, but he is in a blind alley.
他一直尝试解决他金钱上的问题，但走进了死胡同。
His present job seemed to be a blind alley.
他现在的职业看来没什么前途。
The witness is going to lead the jury to a blind alley.
这个证人将把陪审团引入死胡同。
John did not take the job because it was a blind alley.
约翰没有接受此职，因为它是条绝路。
My parents told me social worker is a blind alley occupation, but I stick to my guns to realise my dream.
尽管父母说做社工是没有前途的，但我仍坚持去实现我的梦想。