cordonsthoff
—phrasal verbwithcordonverbuk/ˈkɔː.dən/us/ˈkɔːr.dən/
Ifpeopleinauthority, such as thepolice,cordonoff abuildingorarea, they put something around it inordertostoppeoplefromenteringit.
设置警戒线将…围起，封锁
They've cordoned off thewholeareabecause of asuspectedbomb.因怀疑有炸弹，他们封锁了整个地区。