峰回路转
HSK 7-9serpentine path; unexpected turn; twist
Explanation
(of a mountain road) twisting and turning; fig. an opportunity has come unexpectedly; things have taken a new turn
Examples
山路弯弯,峰回路转。
Mountain roads twist and turn, leading around each peak.
事情峰回路转,出乎意料。
Events took an unexpected turn.