プログレッシブ和英中辞典(第4版)の解説
うきしずみ【浮き沈み】
&fRoman1;
浮き沈みする bob up and down (in the water)
&fRoman2;〔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.