The idiom "uphill battle" is originated from the physical difficulty of climbing up a steep hill, which requires extra effort and energy. This expression is used to refer to a situation where progress or success is hard to achieve due to obstacles, resistance, or unfavorable circumstances.

What is the origin of the idiom "uphill battle" and when to use it?

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Определение и значение слова «uphill battle» на английском языке

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