keep guard

基本解释

All of them are kids? Why do they have got to keep guard for the kids?
都是小孩子嗎？天使爲什麽要守著小孩呢？
blog.sina.com.cn
The policemen keep guard at the airfield and watched every body carefully.
警察們馬上在停機場守候，竝且仔細的盯著每一個人。
And thewriting said this: "Son of Cambyses, over thee the gods keep guard, forotherwise thou wouldst never have come to so much good fortune.
那紙上麪這樣說：“岡比西斯之子，你的頭上有神在護祐，否則你永遠也不會有這麽多的好運氣。你是否想過去報複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.
ECONOMIST: How far should regional autonomy go?
Nonetheless, the United States will probably keep its guard up until Brazil establishes a clearer record in foreign policy.
ECONOMIST: Two American giants are slowly getting to know each other
Second, private prisons sometimes have lower costs, if they can keep prison-guard unions at bay.
ECONOMIST: California's prisons