词典释义：
a person holding a position of authority, especially one with a commission, in the armed services, the mercantile marine, or on a passenger ship
军官；（商船）船长；高级船员；（客轮）船长；高级船员。
a policeman or policewoman
警官。
a bailiff
法警。
a holder of a public, civil, or ecclesiastical office
政府官员；担任公职者；基督教教会执事
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a probation officer 缓刑犯监护官
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the Chief Medical Officer .首席卫生官。
a holder of a post in a society, company, or other organization, especially one who is involved at a senior level in its management
（尤指社团、公司等组织中的高层）职员
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a chief executive officer .首席执行官。
a member of a certain grade in some honorary orders, such as the grade next below commander in the Order of the British Empire
某一荣誉等级中的一分子（如英帝国勋位中四等勋爵士以下的级别）。
provide with military officers
配备军官
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the aristocracy continued to wield considerable political power, officering the army .贵族继续掌握主要政治大权，为军队配备军官。
act as the commander of (a unit)
指挥
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foreign mercenaries were hired to officer new regiments .国外雇佣兵受雇指挥新的团。
"Middle English： via Anglo-Norman French from medieval Latin
