cut off the retreat

例句：

1. 1. The soldiers were ordered to cut off the retreat and hold their position.
   士兵们被命令切断退路并坚守阵地。
2. 2. The enemy forces were cut off from their base and had no choice but to retreat.
   敌军被切断了与基地的联系，只能撤退。
3. 3. The retreat was cut off when the weather turned against them.
   当天气对他们不利时，他们的撤退被切断了。