call upon片語動詞KK [kɔl əˋpɑn] /kɔl əˈpɑn/發音片語動詞1呼籲、號召、要求正式The report calls upon the government to raise the minimum wage.該報告呼籲政府提高最低工資。2求助於、動用、仰賴She had to call upon all her patience to finish the project.她必須拿出全部的耐心才能完成這個專案。3請、邀請The chairman called upon the treasurer to present the accounts.主席請財務主管報告帳目。4拜訪、探訪舊式He called upon his aunt every Sunday afternoon.他每週日下午都去拜訪他的姑媽。