have it both ways
两全其美
口语·批评贪心或矛盾要求
英文释义
to want or expect to have the advantages of two things that are impossible to have together; to pursue contradictory or mutually exclusive goals or desires
例句
You can't work less and earn more—you can't have it both ways.
典故来源
源自日常逻辑矛盾，指同时想要两种对立的好处，强调不可兼得的困境。