年复一年 Year after year
Explanation
一年又一年。形容时间长，也形容光阴虚度。
Year after year. Describes a long period of time, but can also describe the meaningless passage of time.
Origin Story
老农张大爷一生都在田间劳作，春种秋收，年复一年，从未改变。他辛勤的汗水浇灌着一片片金黄的麦田，也滋养着他的儿孙。日子平淡却充实，他知道，这片土地是他一生的归宿，年复一年，他守护着这片土地，也守护着属于他的那份宁静和幸福。然而，有一天，村里来了个年轻人，他向张大爷讲述着外面的世界，繁华的都市，高楼大厦，各种新奇的事物。这给张大爷平静的生活带来了涟漪，他开始思考，自己年复一年的耕作，是否值得？是否应该尝试改变？
Old farmer Zhang had worked in the fields all his life, planting in spring and harvesting in autumn, year after year, never changing. His hard-working sweat irrigated the fields of golden wheat, nourishing his children and grandchildren. His days were simple but fulfilling. He knew that this land was his home for his entire life. Year after year, he guarded this land, guarding his peace and happiness as well. One day, however, a young man came to the village, telling Zhang about the outside world, the bustling cities, the tall buildings, and all kinds of novel things. This brought ripples to Zhang's peaceful life, and he began to wonder if his years of plowing had been worth it, whether he should try to change?
Usage
常用于描写时间久远，也用于表达时光流逝的感慨。
Often used to describe a long period of time, or to express feelings about the passage of time.
Examples
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他年复一年地做着同样的工作，感到厌倦。
ta nian fu yi nian de zuo zhe tong yang de gongzuo, gandao yanjuan.
He does the same job year after year and feels bored.
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年复一年，家乡的变化真大！
nian fu yi nian, jiaxiang de bianhua zhen da！
Year after year, the changes in his hometown are really great!