yī​bō​wèi​píng, yī​bō​yòu​qǐ

one after another

一波未平,一波又起 yī​bō​wèi​píng, yī​bō​yòu​qǐ
one after another
before the first wave subsides, a new wave rises; a situation where new problems or events occur in rapid succession before previous ones are resolved
twists and turns
referring to a narrative, story, or process characterized by many unexpected developments and complications

Sources

Definitions
CC-CEDICT