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

This was the blind alley from which the Roman world had no way out: slavery was economically impossible, the labor of freemen was morally ostracized.
于是罗马世界便陷入了绝境：奴隶制在经济上已经不可能了，而自由人的劳动却在道德上受鄙视。
You're going down a blind alley, fiedler.
你在走死胡同，费德勒。
When he invested in that business, he went up a blind alley.
当他投资做那个生意时，他就走上了一条绝路。
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。
Or was he moving into still another blind alley?
不然他是不是又在向一条死胡同里钻。
After the prey is pushed towards the blind alley but the fear of the cat.
然后难得将猎物追到绝境却为了惧怕猫。
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。
In the course of business, want to open their own vision and not go blind alley.
在创业过程中，要打开自己的视野，不能走死路。
The street was a blind alley.
这条街道是条死胡同。
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。