1. A long, narrow passage or hallway that is dark, dim, or lacking in light, often creating a sad, melancholic, or eerie atmosphere
We walked through the gloomy corridor of the old mansion.
Caminhamos pelo corredor sombrio da mansão antiga.
2. A metaphorical passage or period characterized by darkness, despair, or uncertainty
The nation passed through a gloomy corridor of economic recession.
A nação passou por um corredor sombrio de recessão econômica.