keep guard

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

晚上,他们还得给老板站岗.

Keep my commands and you will live; guard my teachings as the apple of your eye.

2遵守我的命令,就得存活. 保守我的法则,(或作指教)好像保守眼中的瞳人.

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.

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 ?

We posted a guard to keep watch.

我们派了一名卫兵站岗.

She worked out that, if the left hemisphere was staying alert to keep guard in a strange environment, then it would react to the irregular beeps by stirring people from sleep and would ignore the regularly timed ones.

她发现，如果大脑左半球在陌生的环境中为了防卫而保持警觉，那么它会对这种不规律的蜂鸣声有所反应，从而把睡眠中的人弄醒，但是会忽略定时响起且音调不变的蜂鸣声。