Knowing what he is capable of, you have every right to be afraid.
既然你知道他的能力如何,你的担心是完全可以理解的。
The killing of the bison changed the whole wildlife of the plains. With fewer bison, grass shoots were not eaten, so grass did not grow as strongly.
屠宰野牛改变了平原的全部野生生物。野牛少了,嫩草没有牛来吃了,草就长得不粗壮。