1·The only serious difficulty in this work is that it's sometimes dangerous to drive at night.
这项工作中的唯一难题是有时在夜里开车很危险。
2·Were it not for their assistance, we would be in serious difficulty.
要是没有他们的帮助，我们会陷入困境。
3·Were it not for their assistance, we would be in serious difficulty.
要不是他们协助，我们会陷入困境。
4·Everyone agrees that liquid pollution namely a serious difficulty today.
大家一致认为水污染已是当今的严重问题。
5·We are all under the illusion that the country is doing well economically, but in fact it is in serious difficulty.
我们都误以为这个国家经济状况良好，但是实际上它正处于严重的困难之中。
6·I have occasionally had serious difficulty 'handing off' a Capistrano config to a customer at the end of a project.
我曾遇到过这样的情况：在项目收尾的时候，我很难将Capistrano的配置文件直接推给客户。
7·But in fact it was a number of Japanese housewives who worked at carry trade. This means serious difficulty to prevent them.
但是，后来人们发现，实际上是大量的日本家庭主妇在做这件事情，而要想制止家庭主妇做套利交易，难度非常大。
8·In fact, the theory that the universe has existed forever is in serious difficulty with the Second Law of Thermodynamics.
事实上，宇宙永恒存在的理论与热力学第二定理有严重不符。
9·The prevention and cure of temperature cracks in large concrete pier cap is a serious difficulty in quality controlling of construction.
温度裂缝防治是大体积混凝土承台施工质量控制的一大难题。
10·The mud, sand and metabolized products of plankton in bittern of salt lake bring serious difficulty for deep processing of salt chemical product.
盐湖卤水是无机盐工业的基础，但其中含有的泥沙、浮游生物代谢产物给盐化工产品的深加工造成严重的困难。