1.weaken v. (使)虚弱,衰弱;减弱;削弱
例句:The Prime Minister's opponents believe that her authority has been fatally weakened.
首相的反对者认为她的权威已经受到致命削弱 。
2.step down 辞职;下台;让位
例句:Many would prefer to see him step aside in favour of a younger man.
很多人更希望看到他下台,以让位给更年轻的人 。