B a mix of good experiences and ups and downs bad experiences FOR EXAMPLE. Life is full of ups and downs 人生充满了欢乐与痛苦。 He has seen the ups and downs in the history of the relations between the two countries 他经历了两国关系史上的阴晴圆缺。a mix of good experiences and bad experiences Life is full of ups and downs. 人生充满了欢乐与痛苦。 He has seen the ups and downs in the history of the relations between the two countries. FOR EXAMPLE: 他经历了两国关系史上的阴晴圆缺。 ups and downs