Cách sử dụng
The expression "walk the beat" is commonly used in police or law enforcement contexts. It refers to the act of regularly patrolling a certain area on foot (the "beat"). For example, a police officer might "walk the beat" in a neighborhood to make sure everything is safe and secure. So, if someone says "officer Jones walks the beat in this area," it means that officer Jones regularly patrols the area on foot to keep it safe.