dead end

1. N-COUNT If a street is a dead end, there is no way out at one end of it. 死胡同

There was another alleyway which came to a dead end just behind the house. 还有一个小巷，就在这房子后面形成了死胡同。

2. N-COUNT A dead-end job or course of action is one that you think is bad because it does not lead to further developments or progress. 无前途的

Waitressing was a dead-end job. 服务员这一工作没什么前途。