on behalf of 1. 代表…一方;作为…的代言人 He made an impassioned speech on behalf of his country. 他代表他的国家发表了热情洋溢的演说。 On behalf of my colleagues and myself I'd like to give a warm welcome to you all. 我愿代表我的同事并以我个人的名义向你们大家表示热烈欢迎。 2. 为了…的利益;为了 work hard on behalf of the poor 为了穷人的利益而奋力工作