It is very difficult to get a statistical result in short term.
要在短期内统计出来是十分困难的。
参考来源 - 我国水污染经济损失研究Therefore, the determination of patent infringement is a very complex and difficult part.
所以,专利侵权的判定就是一个非常复杂和困难的部分。
参考来源 - 关于“防伪铆钉”专利侵权案件的分析（研究生论文）This part is the focal and difficult point.
这一部分涉及到浮动担保在项目融资中的特殊性问题,是本文的难点和重点所在。
参考来源 - 项目融资中浮动担保法律问题研究（研究生论文）Administrative system reform has got into a difficult position to a certain extent.
改革在一定程度上陷入了困境。
参考来源 - 我国行政体制改革的内动力研究The following conclusions have been drawn from this study:1. In rope Rhythmic, there are many difficult body actions but winning low scores, and our gymnasts were poor in delivering difficult jumps.
本研究所得结论如下:1.我国优秀运动员在绳操成套动作构成中,身体难度价值选择跳难度数量多而选择难度的分值却少,我国艺术体操运动员身体跳难度技术较差。
参考来源 - 我国高水平艺术体操运动员成套动作构成的诊断与分析As is known to all, it has always been difficult for the inferior event to get improved, for the reason that an “inertia" has been formed. We would state “inertia" by psychology terms “Matthew Effect".
弱势项目很难突破其发展的困境，一个很重要的原因就是形成了“惯性"，借用心理学术语“马太效应"来表术这一“惯性"。
参考来源 - 弱势项目“马太效应”现象的训练学分析—《北京体育大学学报》—2008年第1期—龙源期刊网·2,447,543篇论文数据，部分数据来源于NoteExpress
"a difficult task"; "nesting places on the cliffs are difficult of access"; "difficult times"; "a difficult child"; "found himself in a difficult situation"
同义词： hard
"the mountain climb was long, steep, and difficult"
"a difficult child"
同义词： unmanageable
以上来源于: WordNet
ADJ Something that is difficult is not easy to do, understand, or deal with. 困难的
The lack of childcare provisions made it difficult for single mothers to get jobs.
儿童保育服务的缺乏使得单身妈妈们很难找到工作。
It was a very difficult decision to make.
这是个非常难作的决定。
ADJ Someone who is difficult behaves in an unreasonable and unhelpful way. 难相处的
I had a feeling you were going to be difficult about this.
我有种感觉，在这件事情上你将很难对付。
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