兵士たちが前進している間、司令官は戦略的に都市を取り囲み、それを守っていた。

While the soldiers were advancing, the commander was strategically surrounding the city to protect it.

戦争が続く中、兵士たちは要塞を包囲しており、敵に逃げる隙を与えなかった。

While the war continued, the soldiers were encircling the fortress, leaving the enemies with no chance of escape.

戦いの間、あなたは敵軍を囲っており、彼らの脱出を防いでいた。

During the battle, you were surrounding the enemy army, preventing them from escaping.