To mistreat someone is to treat them badly or cruelly.

苛待某人就恶劣地或残忍地对待他。

It may appear bountiful, but for humans, this is a surprisingly hostile environment.

它或许看上去广袤富饶，但对人类来说，这里环境却惊人地恶劣。

These liars earned notoriety because of how egregious, brazen, or damaging their falsehoods were.

这些说谎者之所以臭名昭著，因为他此恶劣、无耻地毁坏着自己谎言。

So birds could easily escape the bad conditions and find new food sources and safer places to live.

所以鸟类可以很容易地逃离恶劣环境，并找到新来源以及更安全生活场所。

Sickness can be an expensive business and the climate can be unexpectedly rough.

疾病可能一项代价高昂生意，而且气候可能出乎意料地恶劣。

However, it's used more commonly to mean to treat someone very badly, to control someone, to tell someone what to do.

但，它更常用于表示非常恶劣地对待某人、控制某人、告诉某人该做什么。

" To persecute" someone means to treat someone very badly because of perhaps his or her race or political beliefs or religion.

“迫害”某人意味着非常恶劣地对待某人，因为他或她种族、政治信仰或宗教。

But the efforts were not very successful; and between the soma-holidays there were, of necessity, intervals. The odius sentiment kept on returning.

但种种努力作用都不大。而唆麻假总难免有间歇。那恶劣情绪不断地回到心头。

Perhaps one day we'll be able to harness our homegrown glaciers well enough to build whole walls of ice–this time not for keeping people out, but to enable life in some of the planet's harshest landscapes.

或许有一天我可以利用人造冰川建起一片冰长城，这次并不为了抵御敌人，而为了让一些居住在地球上环境极其恶劣人好好地生活。