one of the many changes and problems in a situation or in your life, that you have to deal with 变迁;人生的沉浮;兴衰枯荣 the vicissitudes of family life 家庭生活的变迁
Word Originearly 17th cent. (in the sense ‘alternation’): from French, or from Latin vicissitudo, from vicissim ‘by turns’, from vic- ‘turn, change’.