被委任为治安官 be sworn of the peace

被任命为校长 Was appointed headmaster ; Was appointed as President

被任命为军官 get one's commission

被任命为 be appointed with ; be appointed as

他被任命为 He was named

他被任命为信 He was named believe

她被任命为宝 She was named treasure

他被任命为船长 He was appointed captain ; He was appointed as master

被任命为大学教授 the appointment to the professorship