guard

释义

n. 守卫者, 警戒, 护卫队, 防护装置\nvt. 保卫, 看守, 当心\nvi. 防止, 警惕, 警卫, 看守 guard against 防止；提防 on guard 警惕；站岗 mount guard 上岗；执勤；看管

例句

The prisoners overpowered their guards and locked them in a cell.

囚犯们制服了卫兵，并把他们锁在一个牢房里。