您要查找的是不是：
- There was a hard frost that night. 那天晚上寒冷多霜。
- There was a hard frost last night. 昨天夜里有严重霜冻。
- It certainly was a dreadfully hard frost. 这的确是一个可怕的寒冷冬日。
- The forecast says there is going to be a hard frost tomorrow night. 天气预报说明天夜里有严重霜冻。
- In the early spring this year, many crops died from a hard frost. 今年早春,很多农作物死于霜冻。
- The forecast says there's going to be a hard frost tonight. 天气预报说今夜有严重霜冻。
- The forecast says there is going to is a hard frost tomorrow night. 天气预报说明天夜里有严重霜冻。
- Prune birch, beech and maple trees after a hard frost to lessen sap flow. 樺樹;山毛櫸和楓樹應在結霜之後修剪;以减少樹液的流失.
- I. uniflorum is hardy to -15C and is damaged only by prolonged hard frost. 花韭能耐-15度低温，但是持续的严寒天气也能搞死它。
- Very early one winter morning, during a hard frost, a fox was drinking at ice-hole, not far from the haunts of men. 一个凛冽的寒冬清晨，狐狸在冰洞边喝水，那里离人常去的地方不远。
- The fact is that the leaden heart had snapped right in two.It certainly was a dreadfully hard frost. 穷人们快乐了，他们有了衣服，有了面包，脸颊上出现了微微的红色。
- The stormy weather was followed by sleet and snow, and then by a hard frost which did not break till well into February. 狂风暴雨的天气刚刚过去，这又下起了雨夹雪，接着又是大雪纷飞。然后，严寒来了，冰天冻地一般，直到二月才见和缓。
- It is hard to sleep without a cooler in this room. 没有空气调节器，在这间屋里很难入睡。
- It was a bitter cold winter, with long, hard frosts and heavy gales, and it was plain from the first sight that my poor father was little likely to see the spring. 那是一个严寒的冬天,长久下着严霜,刮着暴风,一看就可以明白,我可怜的父亲很少有希望挨到春天了。
- John felt it hard to rig out his family. 约翰感到难以为一家大小置备衣着。
- The hard core in the party make all the decisions. 这个党的核心成员决定一切。
- Hard copy is computer output on paper, printing or graphics. 硬拷贝是出现在纸上、印刷上或图表上的电脑输出。
- I scrubbed hard at the stain to see if I could get it off. 我使劲擦这个污迹，看能不能将它去掉。
- It's natural to slack2 off towards the end of a hard day's work. 一天紧张工作快结束的时候有些放松是自然的。
- He pushed hard on the brake pedal to avoid a collision. 他使劲踩下煞车踏板以避免撞车。
