Seriously?

真的吗
That's part of their training.

这是他们的训练内容之一
They can stay awake for 72 hours

他们可以在72小时内保持清醒
and remain completely focused on their target.

并且注意力完全集中在目标身上
How?

这怎么办得到
By using a mental exercise called fantasy integration.

通过一种称作"幻想整合"的心理锻炼
The sniper creates a scenario involving a target

狙击手会在脑海里勾勒一个目标所存在的场景
that keeps that person at the forefront of their mind.

这样目标就会一直停留在他们思想的前沿
Often they'll imagine a place where they're with the target

通常他们会假想他们和目标人物一起共处某地
doing something together that takes time,

并且一起从事一件费时的事情
for example, building a car.

比如说造一辆汽车
For some, the fantasy begins the minute

对于有些狙击手来说