We have to draw off because of losses of forces.
伤亡太大, 我们不得不撤退。
Our integrity as a nation is threatened by these separatist forces.
我们国家的完整受到了这些分裂主义势力的威胁。
We made a strategic withdrawal, so that we could build up our forces for a renewed attack.
我们作了一次战略性退却, 以便我们能积蓄力量再次进攻。