English version

lockdown

From Longman Dictionary of Contemporary Englishlockdownlock·down /ˈlɒkdaʊn $ ˈlɑːk-/ noun [countable, uncountable]  1 a time when prisoners are not allowed out of their rooms, usually after there has been violence in the prison2 a time when all the doors in a building are locked in order to protect the people inside from danger The school went into lockdown after the shooting.
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