•The interests of British citizens living abroad are protected by the British Embassy.侨居国外的英国公民的利益受英国大使馆的保护。

•He applied to become an American citizen.他申请成为美国公民。

•The citizens of Moscow woke up this morning to find they had a new government.今天早上，莫斯科市民一觉醒来发现他们有了一个新政府。

•Old people are just treated like second-class citizens (= unimportant people).老年人只被当作二等公民对待。

•He reassured people that law-abiding citizens (= people who do not break the law) would have nothing to fear from the enquiries.他宽慰人们说质询对于那些遵纪守法的公民来说没有甚么可害怕的。