动词短语
中文翻译：继续守卫
同义词：
['keep watch', 'stay vigilant']
例句：
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1.The guards were ordered to keep watch at the gate.
警卫被命令在门口站岗。
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2.She stayed vigilant throughout the night, watching for any suspicious activity.
她整晚保持警惕，观察任何可疑的活动。
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3.The policeman kept watch over the area until the suspect was caught.
警察一直监视着那个区域直到嫌疑人被捕。