keep guard

基本解釋

All of them are kids? Why do they have got to keep guard for the kids?
都是小孩子嗎？天使為什么要守著小孩呢？
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The policemen keep guard at the airfield and watched every body carefully.
警察們馬上在停機(jī)場守候，并且仔細(xì)的盯著每一個人。
And thewriting said this: "Son of Cambyses, over thee the gods keep guard, forotherwise thou wouldst never have come to so much good fortune.
那紙上面這樣說：“岡比西斯之子，你的頭上有神在護(hù)佑，否則你永遠(yuǎn)也不會有這么多的好運(yùn)氣。你是否想過去報(bào)復(fù)殺你的兇手阿斯提阿格斯？

She says people must keep up their guard against the virus, which is unpredictable and could change into a far more dangerous form.

Another one taxes businesses on the generators they keep to guard against power cuts.
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Nonetheless, the United States will probably keep its guard up until Brazil establishes a clearer record in foreign policy.
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Second, private prisons sometimes have lower costs, if they can keep prison-guard unions at bay.
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