您要查找的是不是：
- 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。
- The overhead costs are ridiculously expensive. 日常开支太高了。
- 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。
- Seagulls were circling overhead. 海鸥在头顶山盘旋。
- Please guard against pickpockets on the bus. 在公共汽车上要谨防扒手。
- Her overhead smash went out of the court. 她的高手扣球打出了场外。
- The soldier volunteered for guard duty. 那个战士自告奋勇去站岗。
- A flock of wild geese flew overhead. 一群野鹅从头顶飞过。
- The airplane was immediately overhead. 飞机几乎就在正上方。
- I can hear a plane flying overhead. 我听到一架飞机正从上空飞过。
- 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。
- 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 city has decided to do away with overhead wires. 那个城市决定取消架在空中的电线指将把电线埋入地下。
- The train robbers coshed the guard. 抢劫列车的匪徒用短棍袭击列车长。
