长年累月

Произношение: cháng nián lěi yuè Буквальное значение: Long years accumulated months

Происхождение и использование

This idiom describes long (长) years (年) with accumulated (累) months (月), emphasizing extended duration. The repetition of time units reinforces the sense of prolonged periods. The phrase appeared in historical texts describing gradual processes that unfold over extended timeframes. It emphasizes that some developments require or result from sustained periods rather than sudden events. Modern usage describes anything that develops, accumulates, or deteriorates over extended periods.

Когда использовать

Ситуация: The damage was caused by years of neglect.

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