十年河東，十年河西 [－－－东－－－－－]

Jyutping sap6 nin4 ho4 dung1 ， sap6 nin4 ho4 sai1
Pinyin shí nián hé dōng ， shí nián hé xī

Definitions (Wiktionary)
  1. proverb
    prosperity and decline never last; everything in life is cyclical; life has its ups and downs