block off
US /blɑːk ɑːf/
UK /blɑːk ɑːf/

1.
إغلاق, حجب, قطع
to close a road, path, or entrance so that people cannot use it
:
•
Police had to block off the street due to the accident.
اضطرت الشرطة إلى إغلاق الشارع بسبب الحادث.
•
They decided to block off the old entrance to prevent unauthorized access.
قرروا إغلاق المدخل القديم لمنع الوصول غير المصرح به.