to choose sb for a job or position of responsibility 任命；委任
They have appointed a new head teacher at my son’s school.
~ sb to sth
She has recently been appointed to the committee.
~ sb + noun | ~ sb as sth
They appointed him (as) captain of the English team.
~ sb to do sth
A lawyer was appointed to represent the child.
一名律师被指定为这个孩子的代理人。