lock off
上級 (C1) neutral
To close off and lock an area so nobody can enter.
"The maintenance crew locked off the top floor of the building during the renovation."
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Typical Gamer · 14:44
Lock off.
12 Tools Every Mechanic and DIYer Should Own
HumbleMechanic · 2:08
Or this, which is the way I used to lock off brake
Don Burgett's UNFILTERED Memories of Bastogne | American Artifact Episode 211
The History Underground · 119:31
a .45 out of a shoulder holster and shot the lock off.