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 hard core in the party make all the decisions. 这个党的核心成员决定一切。
- 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。
- The soldier volunteered for guard duty. 那个战士自告奋勇去站岗。
- This concept is at the very core of her theory. 这个概念是她理论的核心。
- 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。
- He was a military man to the core. 他是个地地道道的军人。
- Four soldiers stood guard over the coffin. 四个士兵守卫灵柩。
- Let's get to the core of the argument. 咱们进入实质性的辩论吧。
- The guard should be watchful during the night. 警卫在黑夜里也应该警醒。
- The core of our appeal is freedom of speech. 我们的要求的核心是言论自由。
- 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。
- The earth has a core and a mantle around it. 地球的中心是地核，地核的周围是地幔。
- He ate the plum, and threw the core away. 他吃掉了李子，并扔掉了果核。
