1. While two detectives were keeping guard at the door, two others opened the parcel.
    这时两个侦探把住门口，另外两个侦探打开了包裹。

2. When he had killed the guard, the prisoner of war quickly dragged him into the bushes.
    那个战俘杀死卫兵以后，迅速地把尸体拖进了灌木丛。

3. The girl, tears streaming down her face, begged to be allowed to slip into the guard´s van.
    女孩泪流满面，央求让她不声不响地到押车员车厢里去算了。

4. These lessons are not the only solutions to the crisis but until there is a cure for AIDS, education represents the only safe measure to guard against the virus.
    这些经验不是解决艾滋病危机的惟一方法，但在找到治疗艾滋病的方法之前，教育不失为预防感染艾滋病毒的惟一安全的措施。

5. They picked up the bank guard who, poor fellow, was still lying flat on the floor. There was a good deal of confusion (混乱).
    门外繁华的街道上生活仍然正常地进行着，我也漫步走回学校。途中我碰到了学校的会计，并平静地向他提及了我刚刚经历了一起银行抢劫案。当然，他非常惊讶，并且问我，"想喝点什么吗？"我说"好的。"

6. Dressed up as Father Christmas and accompanied by a ´guard of honour´ of six pretty girls,
    他打扮成圣诞老人，在由6个漂亮姑娘组成的"仪仗队"的陪同下，

7. And England's Home Guard prepared to fight on the beaches, on the cliffs, and in the hills, until the last Englishman died or the invaders were driven off.
    英国的民防军准备在海滩、悬崖和山区战斗，直到最后一个英国人战死, 或者侵略者被赶走为止。

8. A detachment of ten men remained behind to guard the prisoners.
    一个由十人组成的小分队在后面监视犯人。

9. At the gate the guard stopped him.
    警卫在大门口拦住了他。

10. My interest was aroused and since then I have always been on my guard against such blunders.
    于是我的兴趣提高了。从此以后，我经常留心，不犯以上这类错误。