It's a severe, often fatal illness that causes fever and bleeding disorders.

这是一种严重的、通常致命的疾病，会导致发烧和出血。

What do you think happens with a fatal illness? The fairies come?

你以为得了致命疾病会怎样？有神仙下凡吗？

But the last thing I remember I was going to bed from my fatal illness on the Isle of Elba.

但我最后记得的事是自己在厄尔巴岛病入膏肓卧床不起。

We could, at one time, repair ourselves--well enough, at least, to overcome all but the most instantly fatal illnesses and accidents.

而我们人，在一定时间内是可以自行修复的，除了暴病死或意外事故外，至少足以克服一切疾病和事故。

It can also trigger Reye's Syndrome, a rare but often fatal illness that affects the brain and liver in children with an infection.

它还可能引发雷氏综合症，这是一种罕见但通常致命的疾病，会影响感染儿童的大脑和肝脏。

They might be run over at a crossing; their plane might go down; they could contract a rare and quickly fatal illness (it wouldn’t hurt at all).

他们可能会在十字路口被碾过；他们的飞机可能会坠毁；他们可能会感染一种罕见且迅速致命的疾病（根本不会造成伤害）。