三十年河东，三十年河

Explanation: Feng Shui Interpretation〗 〖thirty years ago the east of the river, and three years later, but the river west. Metaphor things change, checkered. 　　Source: Source〗 〖 　　Examples: Mr. example〗 〖Big ,"~"! As thirty years ago, how you two advantages of your family, I saw it. (Qing Wu Jingzi "Scholars" Forty-sixth back)