having a job for which you are paid 有工作的；有职业的◆the working population 劳动人口◆a programme of tax cuts for working families(= families where at least one person is employed) 工作家庭减税方案SYNemployed
connected with your job and the time you spend doing it 工作上的；工作的◆poor working conditions 恶劣的工作条件◆long working hours 长的工作时间◆I have a good working relationship with my boss. 我和老板的工作关系不错。
having a job that involves hard physical work rather than office work, studying, etc. 做工的；从事体力劳动的◆My father was an ordinary working man. 我父亲是位普通工人。
a working breakfast or lunch is one at which you discuss business 工作早餐（或午餐）
used as a basis for work, discussion, etc. but likely to be changed or improved in the future 初步的；暂定的；临时的◆The investigator now has a working hypothesis of what caused the accident. 调查人员对事故的起因现在有了初步的意见。
if you have a working knowledge of sth, you can use it at a basic level 基本够用的；尚可应付的◆A working knowledge of Spanish would be useful. 掌握基本的西班牙语会很有用。
the working parts of a machine are the parts that move in order to make it function 运转的；操纵的◆a working model 运作模型