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up against a (brick) wall
01
stuck because of a problem that prevents one from making any progress
Example
Please stand the chair up against the wall when you 're done using it.
The researchers came up against a brick wall in their study when they could n't access the necessary data due to privacy restrictions.
He propped the ladder up against the wall.
例
Please stand the chair up against the wall when you're done using it.
The researchers came up against a brick wall in their study when they couldn't access the necessary data due to privacy restrictions.
He propped the ladder up against the wall.
The workers stood the ladder up against the wall to reach the high shelves.
The project team came up against a brick wall when they realized that the required resources were not available within the given timeframe.
