surround; lay siege to ((the enemy, a town))
- 我々は敵に完全に包囲された
- The enemy closed in on us from all sides./We were completely besieged [surrounded/hemmed in] by the enemy.
- 町の包囲を解く
- raise the siege of a town
- 敵の包囲を突破する
- break through the lines of the besieging enemy forces
- 警察がその区画を包囲した
- The police threw a cordon around the block.