appoint v. /assign v. appoint的意思是“任命,指派,委任”,后多跟职位一类的名词; assign的相关意思是“分配,分派,指定”,后多跟具体的工作。
They appointed him Minister of Education. 他们任命他为教育部长。She was appointed to the Chairmanship of the Committee. 她被任命为委员会的主席。The problem was assigned to a commission. 这项任务交给了一个特别委员会去处理。I assign you to wash the dishes. 我分配你去洗盘子。