attrition/əˈtrɪʃn; ə`trɪʃən/ n[U]1 process of gradually weakening sb's strength and confidence by continuous harassment (used esp in the expression shown) 消耗, 消损（尤用於以下示例） a war of attrition 消耗战.2 wearing sth away by rubbing; friction 磨损; 摩擦.
牛津英汉双解词典