●ˈact for sb ( ˌact on beˈhalf of sb, ˌact on sb’s beˈhalf) if sb acts for you or acts on behalf of you, they deal with your affairs for you, for example by representing you in court, or by doing your duty when you are not able to代表某人（办理事务、出庭、履行职责等）◆Do you have a solicitor acting for you? 你有代理律师吗？◆The Prince was acting on behalf of the Queen. 当时王子代表女王行使权力。◆The Prince was acting on the Queen’s behalf. 当时王子代表女王行使权力。OBJclient[v + prep]