为掩护伤病员安全撤退，他带领小分队舍生忘死，与敌人周旋。 ( In order to cover the wounded and retreat safely, he led the unit to die forever and deal with the enemy. )

叛军在撤退途中发难。 ( The rebels attacked during the retreat. )

掩护主力部队撤退。 ( Cover the withdrawal of the main force. )

根据种种迹象测度，敌人可能撤退 ( The enemy may retreat based on various indications )