officer

The traffic officer issued a ticket for speeding on the highway.

(Chinese) 交通警官对在高速公路上超速行驶的行为开了罚单。

An undercover officer was used to infiltrate the criminal gang.

(Chinese) 一名便衣警官被派去渗透进那个犯罪团伙。

The commanding officer ordered the soldiers to return to the base.

(Chinese) 指挥官命令士兵们返回基地。

He was promoted to the rank of naval officer after years of service.

(Chinese) 经过多年的服役，他被晋升为海军军官。