keep guard

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。

A regiment stayed behind to keep guard on the frontier .

有一个团留下来防守边境。

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？

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。

In 209B . C , Hu Hai , the Second Emperor , ordered 900 people in the Huaihe River region to Yuyang ( today 's Miyun in Beijing ) to keep guard .

公元前209年，秦二世胡亥，命令900余人到榆阳（今北京密云）的淮河地区戍边。

Don 't ignore the Internet in your job search , but keep your guard up .

不可忽视互联网在求职中的作用，但在使用互联网时，要时刻保持警惕。

The conductor reminded passengers to keep on guard against the thief .

售票员提醒乘客谨防小偷。

Bottom line : Keep your guard up , especially if somebody offers you a word search puzzle .

底线是：保持警惕，特别是当有人让你做单词搜索迷宫题时。

We should always bear in mind that there is an alarm , and keep on guard all times .

我们要警钟长鸣，时刻提高警惕。

For what are your possessions but things you keep and guard for fear you may need them tomorrow ?

因为你们的财产不就是一些你们担心明天可能需要才占有、才保护的东西吗？

You probably gonna get some back , so keep your guard up , at the end of the day its who wants it more .

你可以买一些回来，所以你要保持守势，毕竟在一天结束的时候谁都要想的多一点。

Author thinks that we should not only always keep vigilance guard over the administrative power , but also limit the administrative power strictly through the concrete system .

作者认为不但要从主观上对行政权始终保持警惕，而且要从具体制度上严格限制行政权。

Even if the guy seems really great , keep that guard up because men are masters of acting polite at the beginning in order to get what they want in the end .

即使眼前这个男生可能看起来非常棒，你们还是不能放松心里的防线，因为男生们真的非常擅长在开始时表现得礼貌友好，来获取他们最终想要的东西。

They did their best to keep on their guard .

他们尽量保持警惕。

That 's why I 'll keep on my guard , sir .

就是因为这个理由，先生，我才不得不十分小心在意。

Was just to keep me off guard !

原来就是教我不要带卫兵！

We will keep up our guard and do all we can to protect our fellow citizens .

我们将会持续我们的守卫并且做全部我们能保护我们的同伴市民。

Inquired the man , retreating a step or two , as if to keep on his guard .

他一边问，一边后退了一步，象是很戒备的样子。

Such thoughts hadn 't previously crossed my mind , and I was determined to keep on my guard .

我起先没有想到这事，现在我决心要时刻警惕。

We must keep up our guard against the attempts of a handful of ultra-right forces in Japan to obstruct and undermine Sino-Japanese relations

我们要警惕少数日本极右势力对中日关系的干扰和破坏

They keep it under heavy guard . The place is a fortress .

重兵看守，跟个堡垒似的。

Pentagon has decided to keep nearly 2300 National Guard members at the U.S. Capitol through May 23 .

五角大楼决定让近2300名国民警卫队队员继续在华盛顿提供安保，直至5月23日。