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- The dog kept a vigilant guard over the house. 这只狗警惕地守护着这所房屋。
- He urged them to guard against conceit. 他要求他们防止骄傲自满。
- He bribed his way past the guard and escaped. 他买通看守而逃之夭夭了。
- I was off my guard and made no suitable reply. 我没提防，因此没有作出适当的回答。
- The guard of honor headed up the whole parade. 仪仗队走在游行队伍的最前头。
- Please guard against pickpockets on the bus. 在公共汽车上要谨防扒手。
- A display device that uses a cathode ray tube. 一种使用阴极射线管的显示装置。
- The soldier volunteered for guard duty. 那个战士自告奋勇去站岗。
- He held the test tube in his hand thoughtfully. 他沉思地把试管拿在手里。
- The guard had orders to shoot on sight. 哨兵奉命见人就开枪。
- Be on your guard, I conjure you. 千万要警惕呀，我恳求你。
- I must buy a tube of toothpaste. 我必须买一支牙膏。
- Four soldiers stood guard over the coffin. 四个士兵守卫灵柩。
- The guard should be watchful during the night. 警卫在黑夜里也应该警醒。
- The guard was killed with a high-powered rifle. 那卫兵被杀伤力大的火枪击毙了。
- The train robbers coshed the guard. 抢劫列车的匪徒用短棍袭击列车长。
- This tube is flexible but tough. 这管子柔软但很坚固。
- Be on guard when somebody flatters you. 有人奉承你时，一定要当心。
- A glass tube for enclosing the flame of a lamp. 玻璃灯罩围住灯的火焰的玻璃管
- While danger threatens we must all be on guard. 危险正逼近，我们必须保持警惕。
