守卫 means 'to guard' (as a verb) or 'guard' (as a noun). It combines 守 (shǒu), meaning 'to watch over, to keep', and 卫 (wèi), meaning 'to defend, to protect'. Together, they emphasize active, vigilant protection—often of people, places, or things considered important or vulnerable. This word carries a formal, responsible tone and is commonly used in contexts like security personnel, military roles, or symbolic guardianship.

You’ll hear 守卫 frequently in official settings: at government buildings, museums, historical sites, or corporate headquarters. It’s less common in casual speech—for example, you wouldn’t say 守卫 for a friend watching your bag at a café (use 看着 instead). As a noun, 守卫 usually refers to a person or group assigned to protect something; as a verb, it’s often followed by the object being guarded (e.g., 守卫边境). The term implies duty, authority, and physical presence—not just passive observation.