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1·A police officer was killed when his car blew up.

一名警官在其汽车爆炸时遇难。《牛津词典》

2·He has been charged with assaulting a police officer.

他被控袭击警察。《牛津词典》

3·The crime was committed with the connivance of a police officer.

这项罪行是在警察的纵容下发生的。《牛津词典》

4·It was hard for a police officer to make friends outside the force.

一名警官在警察部门之外交朋友很难。《柯林斯英汉双解大词典》

5·He was returned to prison in 1977 for impersonating a police officer.

他1977年因假扮一名警官再次入狱。《柯林斯英汉双解大词典》

6·He was arrested for obstruction of a police officer in the execution of his duty.

他因妨碍警察执行公务而被逮捕。《牛津词典》

7·Imagine that a police officer is chasing a thief.

想象一下，一个警察正在追捕一个小偷。

8·The fourth person is a police officer.

第四个人是一名警官。

9·A police officer was directing the traffic.

一名警察在指挥交通。《牛津词典》

10·He was convicted of assaulting a police officer but he got off with a light sentence.

他被定了个殴打警察罪，然而却得到从轻判处。《牛津词典》