All the prisoners are under close guard.

所有的犯人都在严密的看守之下。

youdao

One guard tried to close a barrier that had been pushed open, but it was too late.

一个边防兵试图合上被推开的路障，但是太晚了。

youdao

Under the plan, 120 federal police kept a 24-hour guard on a small commercial area close to the border.

根据该计划，120名联邦警察24小时守卫在靠近边界的一小块商业区。

youdao

He remained there for many months under close guard.

VOA: special.2010.01.14

You're so close to the guard in front of you that you can almost smell the guy.

NPR: 'Thief' Slithering Into Next Generation Of Games

The Coast Guard stayed close as well and dropped off provisions.

CNN: , Special to

But close to half of all National Guard troops in the United States have now served in either Iraq or Afghanistan.

NPR: Additional National Guard Troops Set for Iraq