Farms and factories were burned, destroyed, or rendered useless.

农场和工厂被焚烧毁坏，或被弄得无法运转。

The notion of just being able to render a phone useless. Can that happen?

概念就是使手机变得没用。这可能吗？

Typically known for their dependability in telling time, these clocks have been rendered useless as they hang on various surfaces within the painting.

这些钟表通常以报时可靠而著称，但由于悬挂在画作的不同表面上，它们变得毫无用处。

But in the open air, their gills collapse and are rendered useless, so amphibious fishes need other ways to breathe.

但是在户外，它们的鳃会塌陷而变得毫无用处，因此两栖鱼类需要其他呼吸方式。

EVER SINCE DONALD TRUMP CAME ALONG, politics has been upside down and backward, the conventional wisdom rendered useless and the old rules thrown out the window.

自从唐纳德·特朗普出现在民众的视线中以来，美国的政治就一直在颠倒和倒退，传统的智慧变得一无是处，旧的规则也被弃若敝履。

Lessons of politeness, and that formulary of decorum, which treads on the heels of falsehood, would be rendered useless by habitual propriety of behaviour.

礼貌的教训， 以及在虚假之后踩着礼仪的公式， 将因习惯性的举止得体而变得毫无用处。

Organs, originally formed by the aid of natural selection, when rendered useless may well be variable, for their variations can no longer be checked by natural selection.

器官最初是在自然选择的帮助下形成的， 当变得无用时， 很可能会发生变异， 因为它们的变异不再受自然选择的制约。