power couple
noun [ C ] uk/ˈpaʊər ˌkʌp.əl/ us/ˈpaʊ.ɚ ˌkʌp.əl/
权力夫妇，大腕夫妇
two people who are married to each other, or in a relationship with each other, and both have extremely successful careers, especially in politics or entertainment
Hillary Clinton is part of the power couple that has dominated the Democratic party since the early 1990s. 希拉里•克林顿是自1990年代初以来一直主宰民主党的权力夫妇中的一个。