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。
- She only unbends in the family circle. 她只在家庭环境里才不拘束。
- The city guards circled him. "Identify yourself!" The captain ordered. 城卫涌过来围住了他。“说明你的身份!”城卫队长命令道。
- 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。
- The children formed a circle round her. 孩子们在她周围围成了一个圈。
- 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。
- We've booked seats in the circle. 我们预订了楼厅包厢的座位。
- Please guard against pickpockets on the bus. 在公共汽车上要谨防扒手。
- He has a large circle of friends. 他有一大群朋友。
- The soldier volunteered for guard duty. 那个战士自告奋勇去站岗。
- She moves in a very small circle. 她的活动圈子很小。
- The guard had orders to shoot on sight. 哨兵奉命见人就开枪。
- He has a wide circle of acquaintances. 他交游甚广。
- 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。
- A planar region bounded by a circle. 圆形区，圆形空间被圆所包围的一个平面区域
- The guard should be watchful during the night. 警卫在黑夜里也应该警醒。
- A square has four sides but a circle has no sides. 正方形有四条边，而圆形没有边。
