プログレッシブ和英中辞典(第３版)の解説
うきしずみ【浮き沈み】
I
浮き沈みする｜bob up and down (in the water)
II 〔栄枯盛衰〕ups and downs; ((文)) vicissitudes
- 運命の浮き沈み
the 「ebb and flow [vicissitudes] of fortune - 浮き沈みの多い人生だった
His life was full of ups and downs.／He had a checkered career.