(; ) [, ]a tax that you pay on things that you buy, especially those that you bring into a country 税；（尤指进口货物交纳的）关税◆They have put higher duties on steel imports. 他们对进口钢铁徵收较高的关税。◆$500 m was paid to the government in duty. 政府徵收了 5 亿元的关税。◆There is no increase in the duty on fuel. 燃油税没有提高。
[] the work that is your job 上班；值班◆Report for duty at 8 a.m. 早上 8 点上班报到。◆I'm on night duty this week. 我本周值夜班。
duties [] tasks that are part of your job 职责；任务◆Your duties will include setting up a new computer system. 你的职责将包括建立一个新的计算机系统。