| 单词 | to bang your head against a brick wall | 
| 释义 | to bang your head against a brick wall phrase [usually cont]   See full dictionary entry for  wall If you say that you are banging your head against a wall, you are emphasizing that you are frustrated because someone is stopping you from making progress in something.  [informal, emphasis]  I appealed for help but felt I was always banging my head against a wall.    I wondered if I was banging my head against a brick wall.    | 
	
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