brick wall
US /ˈbrɪk wɔl/
UK /ˈbrɪk wɔl/
1.
a wall built of bricks
:
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The old house had a sturdy brick wall.
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They decided to build a new brick wall around the garden.
2.
an insurmountable obstacle or barrier
:
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We hit a brick wall in our negotiations.
•
His efforts to get a promotion ran into a brick wall.