bang your head against a brick wall
bang (one's) head against a brick wall
To attempt, continuously and fruitlessly, to accomplish some task or achieve some goal that is or seems ultimately hopeless. I feel like I've been banging my head against a brick wall trying to understand this math equation. Some people are never going to agree with you on this, so it's no use banging your head against a brick wall trying to convince everyone.
See also: bang, brick, head, wall
Farlex Dictionary of Idioms.
bang (or knock) your head against a brick wall
doggedly attempt the impossible and have your efforts repeatedly and painfully rebuffed. 1995 Jayne Miller Voxpop You're banging your head against a brick wall for years and still getting nowhere. It's soul-destroying.
See also: bang, brick, head, wall
Farlex Partner Idioms Dictionary
- bang (one's) head against a brick wall
- bang (one's) head against a wall
- beat (one's) head against a stone wall
- knock (one's) head against a (brick) wall
- knock (one's) head against a/the wall
- knock head against a brick wall
- be banging (one's) head against a brick wall
- be banging your head against a brick wall
- be banging, etc. your head against a brick wall
- be hitting (one's) head against a (brick) wall