•a 37-hour working week一周工作37小时

•Working conditions/practices in the mill have hardly changed over the last twenty years.过去20年来，这家磨坊的工作条件／方式几乎没有改变。

•She has a difficult working relationship with many of her staff.她与很多员工的工作关系都不好。

•These tax changes will affect 90% of the working population.这些税收的变化将会影响到90%的工作人口。

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•It has taken about five years to restore the aircraft to (full) working condition/order.大约花了五年时间才令这架飞机完全恢复正常运作。

•It is essential that all working components are properly lubricated.给所有运作部件适时上润滑油是非常重要的。

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•We have a working theory/hypothesis about what caused the crash, which we shall test.我们有了一个关于坠机原因的初步设想／假设，还待进一步验证。

•She's fluent in French and English and has a working knowledge of Spanish.她法语和英语说得都很流利，西班牙语也能应付。