A broad-minded but evenhanded judge ;

开明而公正的法官；

Yet its efforts have been a complete failure , proving beyond doubt that washington is incapable of acting as an effective and evenhanded mediator .

然而，美国的所有努力已经彻底失败，毫无疑问地证明华盛顿没有担任有效而公允的调停人的能力。