kept guard

• v. 站岗(放哨)

kept guard的用法和样例：

例句

1. A policeman kept guard over the prisoners.
   一名警察看守囚犯。
2. A regiment stayed behind to keep guard on the frontier.
   有一个团留下来防守边境。
3. One of the men kept guard, while the other broke into the house.
   一人放哨，另一人则闯进了房子里。
4. The eldest boy was directed to keep guard at the entrance of the camp.
   年纪最大的男生被指派在营地的入口处担任警戒。
5. Two thieves kept guard around the house while the others entered it.
   两个小偷在屋子外面守着,其他的则进了屋。
6. She constantly keeps guard of all her valuables.
   她常常监视她的贵重物品。