to face a (brick) wall
01
to reach a point where it is unlikely or too difficult to make any progress
![to [face|come to|hit] (a|the) (brick|) wall definition and meaning](https://cdn.langeek.co/photo/40993/original/?type=jpeg "to [face|come to|hit] (a|the) (brick|) wall definition and meaning")
Idiom
Informal
例
Despite their best efforts, the researchers hit a brick wall in trying to find a cure for the disease.
to be against a (brick) wall
01
to encounter a situation where progress or resolution is difficult to achieve
例
The detective investigating the case felt like they were against a brick wall, with no new leads or evidence to pursue.
