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to shelter (e.g. a fugitive); to harbour; to harbor; to hide; to give refuge to
彼は負傷兵を匿った。
He sheltered the wounded soldier.
容疑者を匿ってはいけない。
You must not harbor a suspect.
その家族は落ち武者を匿うと決めた。
The family decided to shelter the defeated warrior.