obedience to orders 遵从训令
obnoxious duty 厌恶性职务
obsolescent grade 服务需求下降的职系
obsolescent rank 逐渐取消的职级
obsolete grade 已取消的职系
obsolete item 已过时物品
occupational class 职业分类；职类
occupational class system 划分职类制度
Occupational Hygienist 职业环境生师
Occupational Hygienists Association 职业环境生师协会
Occupational Safety and Health Council [OSHC] 职业安全健康局
Occupational Safety Officer 职业安全主任
Occupational Safety Officers Union 职业安全主任会
Occupational Therapist 职业治疗师
Occupational Therapy Assistant 职业治疗助理员
off-duty day 不用上班的日子
off-duty Saturday 短周星期六
offer of advantages 提供利益
offered appointment 受聘
Office Assistant 办公室助理员
Office Assistant (CAC) 办公室助理员（廉政公署）
office bearer [staff association] 执事〔职工会〕
office equipment 办公室器材
office layout 办公室设计
Office of the Commissioner of Insurance [Office of the C of I] [Financial Services Bureau] 保险业监理处〔财经事务局〕
Office of the Government of the Hong Kong Special Administrative Region in Beijing, The [BO] 香港特别行政区政府驻北京办事处
Office of The Ombudsman [OFOMB] 申诉专员公署
Office of the Privacy Commissioner for Personal Data [also known as the Privacy Commissioner's Office] [PCO] 个人资料私隐专员公署
Office of the Telecommunications Authority [OFTA] 电讯管理局
office practice 办公室实务
officer appointed on local terms 按本地条款受聘的公务员
officer appointed on overseas terms 按海外条款受聘的公务员
officer at the appropriate level 职级恰当的人员
officer at the next lower rank 次一职级的人员
officer of equivalent status 同等职级人员
officer on overseas permanent terms 按海外条款受聘的常额编制公务员
officer on permanent establishment 常额编制人员
officer on secondment 借调人员
officer on short term employment 短期聘用人员
officer on trial 试任人员
officer serving on an incremental scale 按年递增薪级的人员
officer serving on terms which attract retirement benefits 享有退休福利的公务员
officer-in-charge 主管人员
Officer/Superintendent of Correctional Services 惩教主任／监督
official business 公事
official capacity 职务；公职；公职身分；官方身分
official code word 官方机密电码
official correspondence 公事信件
official dealings 公事往来
official duty 职务；公务；公干；公职
official emolument 薪俸；公职薪俸
official entertainment 公务酬酢
official instruction 政府训令
Official Languages Agency [OLA] 法定语文事务署
official member 官方成员；官方委员
official position 公职；所任政府职位
Official Receiver [OR] 破产管理署署长
Official Receiver's Office [ORO] 破产管理署
official side 官方；雇方
official trustee 官方信托人
official visit 官式访问
OFOMB [Office of The Ombudsman] 申诉专员公署
Old Pension Scheme 旧退休金计划
OLV [one-line vote] 整笔拨款
OMB [Ombudsman, The] 申诉专员
Ombuds News 《申报》
OmbudsHour Forum “互诉心得”聚会
Ombudsman Awards Scheme 申诉专员嘉许奖计划
Ombudsman Awards, The 申诉专员嘉许奖
ombudsman institution 申诉专员制度
Ombudsman, The [OMB] 申诉专员
Ombudsman's Newsletter to Non-official JPs 《申诉专员致非官守太平绅士的通讯》
omitted point 跳薪点
on agreement 按合约方式
on annuity basis [Home Purchase Scheme] 根据按年递减的贷款余额计算〔自置居所资助计划〕
on attachment 派往……见习；暂时派往……工作
on calendar day basis 按历日计算
on call 随时候召
on contract 按合约方式
On Course 《培训道上》
on duty 值勤
on leave 放假；休假；度假
on leave prior to resignation 辞职前休假
on leave prior to retirement 退休前休假
on loan 借用；借调
on medical grounds 因健康理由；因健康欠佳
on off-point salary on a personal basis 支取特定个人薪点
on probation 试用
on secondment 借调
on temporary transfer 暂时调任
on transfer 调任；调职；转任；转职
on trial 试任
on-call duty 随时候召工作；候召职务
on-call duty allowance 随时候召工作津贴
on-cost 外加成本；间接成本
one-line vote [OLV] 整笔拨款
one-off settlement grant 一次过定居补助金
one-point scale 单一薪点薪级
one-post grade 单一职位职系
one-rank grade 单一职级职系
on-the-job skill 工作所需技能
on-the-job training 在职训练
open directorate concept 开放首长级职位的概念
open file 非机密档案
open recruitment 公开招聘
open recruitment exercise 公开招聘；公开招聘工作
open tender 公开招标
open-plan office 开敞式设计办公室
operational departmental quarters 为工作需要而设的部门宿舍
operational effectiveness 运作效能
operational efficiency 运作效率
operational level 执行层面
operational liaison 行动联系
operational management reform 工作管理改革
operational need 工作需要；职务需要
operational objective 运作目标
operational plan 工作计划
operational procedure 运作程序
operational quarters 为工作需要而设的宿舍
operational relief 后备行动人员
operational requirement 工作规定；工作需求
operational reserve 后备人员；补缺人员
operational staff 行动人员
operational support services 操作支持服务
operational transparency 工作透明度
Operations and Training Assistant 行动及训练助理员
Operations and Training Officer 行动及训练主任
Operations Officer 民航事务主任
opt out 退出〔计划〕
option form 选择书
Option Form for Home Financing Scheme 居所资助计划选择书
Option Form for Housing Benefits 房屋福利选择书
option period 选择期
Optometrist 视光师
oral evidence 口头证供
order of business 议程；议事日程；议事程序表
organization chart 组织图；组织大纲图；组织表
organization of work 组织工作的能力
organizational anomaly 组织上的不规则情况
organizational set-up 组织结构
orientation course 启导课程
Orthoptist 视觉矫正师
"out" movement “发件”过程
outcome-oriented 以实效为本
outdoor staff 户外工作人员；外勤人员
outdoor work 户外工作
outgoing officer 离任人员
outline organization 组织大纲图
Outlook [Efficiency Unit] 《展望》〔效率促进组〕
outpost 外设办事处；总部以外的办事处
outreach activity 外展工作
outreach visit 出外巡视
outside activity 外间活动；公务以外的活动
outside employment 外间受雇
outside work 外间工作
outsourcing 外判工作
outsourcing policy 外部采办政策
outstanding loan 贷款余额
outstanding performer 表现优秀人员
outstation 外设办事处；总部以外的办事处
outward passage 赴任旅费
overall average incremental increase 整体平均递增薪额
overall effectiveness 整体效能
overall framework 整体纲领
overall performance rating 整体工作表现评级
overall policy framework 整体政策架构
overall promotion ratio 一般晋升比率
overall rating 整体评核
overall review 全面检讨
over-assess 给予过高的评级
overlapping scale 重迭薪级
overlapping shift 重迭更次
overseas addition [leave] 海外附加假期
overseas agreement officer 海外合约人员；海外合约公务员
overseas agreement terms 海外合约条款
overseas annual leave 海外年假
overseas annual leave with passages 附连旅费的海外年假
overseas annual-cum-vacation leave 海外年假兼例假
overseas audit service 海外核数服务
overseas conditions of service 海外服务条件
overseas contract 海外合约
overseas degree 海外学位
overseas duty 海外公干
overseas duty visit 海外考察
overseas education allowance 海外教育津贴
Overseas Inspectors' Association 海外督察协会
overseas leave 海外休假
overseas office 海外办事处
overseas officer 海外公务员；海外人员；海外雇员
overseas permanent and pensionable terms 海外常额及可享退休金条款
overseas posting 派驻香港以外办事处；派驻海外
overseas supplier 海外供货商
overseas terms of appointment 海外聘用制
overseas terms of service 海外服务条款
overseas training terms 海外训练条款
overseas vocational training 海外职业训练
overstay of leave 逾期不销假；逾假不归；休假期满后仍未回任
overtime allowance 逾时工作津贴
overtime payment 逾时工作补薪