跌宕 diēdàng

(1) [be bold and unconstrained (free and easy)]∶为人放纵,不拘束

脱略公卿,跌宕文史。——江淹《别赋》。注:“放逸也。”

(2) [flowing rhythm]∶音调或行文富有顿挫波折。也做跌荡

跌宕多姿