他们遇到敌人，开始战斗了。在枪林弹雨中，身边的战友都倒下了，甚至有的军官也战死了，活着的都想逃跑。

And when they met the enemy a battle took place, and there was great peril and a great hail of bullets, with his comrades falling all round him.

youdao

请注意，在战斗(或竞争)中，您需要比敌人更快更好地完成这四个步骤，因为敌人很可能也在经历他们的OODA循环。

Note that in combat (or in competition), you want to cycle through the four steps faster and better than the enemy, which is probably working through its own OODA loop.

youdao

甚至就是在人们在集合妥当进行战斗的时候，杀人对于他们来说也不会是一件自然而然的事情。

Even when men are duly assembled for battle, killing is not something that seems to come naturally to them.

youdao