Ten years in Hedong, ten years in Hexi or thirty years in Hedong, thirty years in Hexi.

Over the past 30 years, people in Hedong have become rich, and after 30 years, people in Hexi have also become rich-life is full of ups and downs; A tortuous career; vicissitudes of life

The original intention of "thirty years in Hedong, thirty years in Hexi" is that good feng shui was in Hedong 30 years ago, but it was in Hexi 30 years later (river: Yellow River). There is no fixed number. This idiom is often used as a predicate and clause in a sentence, and can also be used as a sentence independently. There are also "three years Hedong, three years Hexi", "ten years Hedong, ten years Hexi", "thirty years Hedong, forty years Hexi" and so on.

Extension: idiom meaning

The dialectical view of "thirty years in Hedong and thirty years in Hexi" can also be used to observe social and historical phenomena. Ups and downs are not fixed, but changing, not inexplicable, but regular. The proverb "thirty years east of the river, thirty years west of the river" gives people the greatest enlightenment: history is advancing, and we can't look at everything with a static eye; Everything is dialectical. Never look at everything with stubborn eyes.