Mosquitoes thrive in those conditions and scientists say a hard frost will kill off the insects when it hits.

在这种情况下，蚊子会更加地茁壮成长，科学家说，结霜时，坚硬的霜冻会杀死昆虫。

A few flowers made the mistake of appearing and were immediately blasted out of existence by a couple of hard frosts that had kept themselves back for this very purpose.

有几朵花错误地出现了，并立即被几个坚硬的霜冻炸死了，正是出于这个目的，这些霜冻让它们自己无法生存。

October extinguished itself in a rush of howling winds and driving rain and November arrived, cold as frozen iron, with hard frosts every morning and icy draughts that bit at exposed hands and faces.

十月在狂风暴雨中结束，十一月来临了，寒如冻铁，每天早晨都是一层坚霜，冰冷的风割着手和面颊。

But the sun itself, however beneficent, generally, was less kind to Coketown than hard frost, and rarely looked intently into any of its closer regions without engendering more death than life.

但是太阳本身，不管多么仁慈，一般来说，对焦煤镇的仁慈不如严寒，而且很少有人专心观察它附近的任何区域而不造成更多的死亡而不是生命。

A mason or bricklayer, on the contrary, can work neither in hard frost nor in foul weather, and his employment at all other times depends upon the occasional calls of his customers.

相反，泥瓦匠或泥瓦匠既不能在严寒中工作， 也不能在恶劣天气中工作， 他在所有其他时间的工作都取决于客户的偶尔来访。

The white mist wrapped all the streets in silence, and a hard frost had gathered thick upon the bare branches of the trees, and frost crystals glittered on the wooden fences, and on the cold cruel ground beneath my feet.

白雾寂静地笼罩着整条街道，光秃秃的树枝上结了一层厚厚的霜，木栅栏上和脚下冰冷残酷的地面上晶莹闪烁。