
Be holed up
Refuge During Trouble
Often means someone is avoiding trouble or hiding after doing something wrong.

The smuggler was holed up in a cabin to evade the police.
Extended Periods
Implies staying in one place for a long time without leaving or being seen.

He was holed up in his room all summer studying for exams.
Seeking Safety
Can indicate seeking protection from danger, like bad weather or a threat.

During the hurricane, many people were holed up in shelters.
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