Cold weather set in abruptly with a killing frost.

一旦霜冻来临，严寒天气便突然出现了。

" Irreverence for the dreams of youth" soon creeps like a killing frost upon our hearts.

“不尊重青春的梦想” 很快就像杀人的霜一样爬上了我们的心。

In fact, crops are going to have a really hard time because there will be less rain during a nuclear winter and there will be less time for the crops to grow because of killing frosts.

事实上，农作物将很难过，因为在核冬天，降雨量会减少，而且由于致命的霜冻，农作物的生长时间也会减少。

Our roots, they explained, reach far down the joints of the summer-warmed rocks, and beneath our fine snow mantle killing frosts cannot reach us, while we sleep away the dark half of the year dreaming of spring.

我们的根深植于夏季温暖的岩石缝隙之下， 在我们细密的雪地幔下， 致命的霜冻无法触及我们， 而我们却梦想着春天度过了一年中黑暗的下半年。