Getting hit could mean permanent injury or death.

被车撞倒，可能意味，不是残废，就是死亡。

Both conditions may result in permanent injury to the brain.

两者都能导致永久的脑损伤。

The louder the sound, the less time it takes to cause permanent injury.

声音越响，造成永久性损害所需的时间就越短。

Why let ourselves live so tired of living in the past a permanent injury?

为什么让自己活的这么累，活在过去永久伤？

They can also cause permanent injury to other organs and developmental problems.

他们也可能造成永久性伤害到其他器官和发育问题。