ㄉㄚˋㄑㄧˇㄉㄚˋㄌㄨㄛˋdàqǐ‑dàluò

  1. 形容起伏落差非常穩定 物價大起大落」、股市大起大落」、運勢大起大落」。

(of market prices etc)​ to rapidly fluctuate (idiom)​, volatile, significant ups and downs, roller coaster