cordon off
block off
enclose an area
mark out
1. The police roped off the area to preserve the crime scene.
警察封锁了该区域以保护犯罪现场。
2. They roped off the construction site for safety.
为了安全，他们把施工现场围了起来。
3. The organizers roped off the VIP section.
组织者划分了VIP区域。
A: Why is this part of the park closed?
A：为什么公园的这部分被封锁了？
B: They roped it off to plant new flowers.
B：他们把它围起来了，为了种植新花。
1) 围起某地
2) 封锁现场
3) 划定区域
1. 用绳索或隔离带围住某地，以限制进入或划分区域
e.g.
The site was roped off for safety reasons.
出于安全考虑，现场已被围了起来。
verb phrase
1. to use ropes or cordons to enclose an area, often to prevent people from entering.
Synonym: cordon off