patrol
patrol — verb
1. to move around a place regularly to make sure it is safe and that no trouble is
to move around a place regularly to make sure it is safe and that no trouble is starting there.
Airport police patrol the terminal after the last flight lands.
patrol [place] — regular security work
Two guards patrolled the museum roof during the stormy night.
A navy boat patrolled the harbor while the president visited.
During festival week, officers patrol the old market from dawn to midnight.
The empty school grounds were patrolled by volunteers with flashlights.
文法句型
patrol [place]
patrol around/along [place]
be patrolled by [person or group]
用法筆記
Usually takes a place as its object or follows a place phrase such as 'along the coast' or 'around the station'. Passive forms are common when the focus is on the area being protected.
常見錯誤
patrol — noun
1. a walk, drive, flight, or other trip made to check that a place is safe.
a walk, drive, flight, or other trip made to check that a place is safe.
The night patrol starts at ten and ends at dawn.
night patrol — regular duty shift
After the alarm, the guard went on another patrol around the parking lot.
go on patrol — fixed phrase
Three aircraft stayed on patrol above the coast all afternoon.
Rain delayed the morning patrol, so the gates opened late.
Before bed, Marcus made a quick patrol of the campsite.
- round
common for one checking trip, especially inside a building
- watch
can mean a period of duty, especially in military or sea contexts
- surveillance
more technical; often done with cameras rather than by moving through a place
文法句型
go on patrol
be on patrol
a patrol around/of [place]
用法筆記
Often appears in the fixed phrase 'on patrol' for being out doing this job. Distinguish from sense 2: this sense names the activity or shift, not the people or vehicles doing it.
常見錯誤
2. a team of officers, soldiers, or vehicles sent out together to watch an area.
a team of officers, soldiers, or vehicles sent out together to watch an area.
A four-car patrol blocked the road after the prison escape.
number + patrol — unit of vehicles
The mountain patrol found two lost hikers near the frozen lake.
Before dawn, a patrol crossed the bridge and checked both towers.
An armed patrol waited outside the embassy during the talks.
From the cliff, villagers saw a naval patrol moving toward the island.
- unit
official term for an organized military or police group
- squad
usually a smaller armed group with a specific task
- detachment
more formal military word for a group sent out from a larger force
文法句型
a patrol of [number]
send a patrol to [place]
the patrol spotted/found [something]
用法筆記
Usually refers to the people or vehicles on the job, especially in military, border, or police contexts. Distinguish from sense 1: this sense is the unit itself, not the act of going around.