衛兵, or "guard," refers to individuals assigned to protect a specific location, person, or object. They often serve in military, governmental, or ceremonial roles, ensuring safety and security.衛兵 can be found at important sites such as palaces, embassies, and military bases, where their presence deters potential threats. In many cultures,衛兵 also participate in ceremonial duties, showcasing traditions and history. For example, the Changing of the Guard ceremony at Buckingham Palace in London is a famous event where衛兵 perform precise drills, symbolizing the royal protection. Their uniforms and conduct reflect the significance of their role in society.