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to beat one's brains out
![to [beat] {one's} brains out definition and meaning](https://cdn.langeek.co/photo/29665/original/?type=jpeg "to [beat] {one's} brains out definition and meaning")
What is the origin of the idiom "beat one's brains out" and when to use it?
The idiom "beat one's brains out" likely originated from the imagery of someone exerting a great deal of effort or working very hard, to the point of mental exhaustion. This phrase is used to describe a situation where someone is working extremely hard or trying their best to achieve something, often without success. It conveys the idea of putting in a lot of effort and energy into a task or problem but not necessarily getting the desired results.
例子
I've been beating my brains out trying to figure out this puzzle, but I can't solve it.
He's been beating his brains out trying to finish that project on time.
She beat her brains out studying for the exam, but it was just too difficult.
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