战士军前半死生: half of the soldiers have laid down their lives in battle
然后: then; after that; afterwards 短语和例子我们先研究一下, 然后再作决定。 we'll look into the matter first before coming to a decision. 学然后知不足。 one discovers his ignorance only through learning. 客人将在北京停留一天, 然后飞往