blind alley
US /blaɪnd ˈæl.i/
UK /blaɪnd ˈæl.i/

1.
beco sem saída, rua sem saída
a street or passage that is closed at one end; a cul-de-sac
:
•
We drove down a blind alley and had to turn around.
Nós dirigimos por um beco sem saída e tivemos que dar a volta.
•
The children were playing at the end of the blind alley.
As crianças estavam brincando no final do beco sem saída.
2.
beco sem saída, impasse
a course of action that leads to no progress or a dead end
:
•
Their investigation led them down a blind alley.
A investigação deles os levou a um beco sem saída.
•
Pursuing that strategy would be a blind alley for the company.
Perseguir essa estratégia seria um beco sem saída para a empresa.