短语词组短語arduous s task 艱巨任務Itis An Arduous Task 個艱巨任務devote to arduous task 專心於艱苦的工作an arduous task 艱難的任務Acceptance of this arduous task 接受這項艱巨的任務the task is arduous 任務艱巨 返回 arduous task