keep guard

1 A sentry stood on guard at the corner.

一个哨兵在角落里站岗。

2 We posted a guard to keep watch.

我们派了一名卫兵站岗。

3 We must keep an vigilant eye upon imperialism.

我们必须对帝国主义保持警戒。

4 Put none but Americans on guard tonight.

今夜只让美国人担任警戒。

5 They had to keep guard for the boss in the night.

晚上,他们还得给老板站岗.

6 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.

7 All of them are kids? Why do they have got to keep guard for the kids?

都是小孩子 吗 ?天使为什么要守着小孩 呢 ?

1 站岗

on guard stand sentry stand sentinel

2 看守

guard stand guard be on guard warder keep guard over mount guard over mount guard stand guard over

3 放哨

on guard keep watch

4 保卫

defensive stand guard defence secure defend keep guard over mount guard over mount guard stand guard over stand guard

5 守望

scout lookout sentry vigilance

6 守卫

hold guard keep guard over mount guard over mount guard stand guard over stand guard

7 监视

observational surveillant monitorship watch guard surveillance ward oversight vigil stakeout watchout monitor observe overlook surveil overwatch have eye on have the eye on keep eye on keep eyes on keep a watch keep ones eyes on have eyes wide open keep a tab on mount guard keep an eye on keep tabs on be on the lookout

8 警戒

watch example guard caution vigil vigilance monition beware alert warn sentinel keep watch