The causes involve improper learning strategies, inadequate vocabularies, unawareness of English collocations, and overgeneralization of grammar rules and so on.

Collocation is the habitual co-occurrence of two words or groups of words in natural texts. Collocation and Cohesion in Discourse

词语搭配就是指两个或两个以上的词的习惯共现，可以分为固定搭配、常规搭配和破格搭配；Collocation的语篇衔接功能

From the aspects of vocabulary, set-phrases and idioms and grammar, this article discusses how to teach the two different reading courses of college English more effectively.

本文从词汇、短语及固定搭配和语法几个方面讨论了怎样更有效地上好大学英语的精读和泛读课。

This article sums up ten methods of guessing the meaning of new words, based on factors consisting in language such as interaction, correlation and fixed collocation, etc.

本文从语言本身所存在的互为性、联系性及固定搭配等诸多因素，总结了猜测词义的十种方法。

We should always learn a new word in the context, for example, a set phrase, a sentence, or even a paragraph or a passage, which can surely help us understand it more deeply.

我们总是应该在上下文中（比如固定搭配、句子、段落或者短文中）学习新词汇，这样肯定能帮助我们加深理解。

This paper presents the concept of semantic pattern, and constructs semantic pattern base of English preposition phrases and sentences, major parameter base and knowledge base of English set phrases.

在研究英语介词相关短语和句式的基础上，给出了语义模式的概念，构建了介词相关短语语义模式库、相关句式语义模式库、主虚量库和固定搭配知识库。

" These lakes pose a very severe risk," said Liu Yuan, an environmental official with the Land and Resources Ministry.

pose a very severe risk就是“构成十分严重威胁”的意思，其中的pose risk属于固定搭配，类似的说法还有pose threat，这又是一个十分地道的英语表达。

On the Three-time establishment and Three-time Ruin of Hami State and the Policy of Ming Dynasty to Turpan

哈密国三立三绝与明朝对土鲁番的政策

After the founding of the PRC, the Shandong Government had adopted a policy to gradually cut off local salt, so it gradually withdrawed from the market.

建国后，政府采取了逐渐禁绝土盐政策，土盐逐渐退出市场。

Delivering: the receiving email system applies local policies based on the results of the signature test.

运送：适用土政策接收电子邮件系统基于签名测试结果。

The fast expanding of the constructed land use produced some very negative ecological problems, which should urgently be resolved by adjusting the land use polices.

工作区内因城建用地快速膨胀引起的各种生态问题急需通过土利用政策的调整加以解决。

We are opposed to "home-grown policies" that violate the fundamental principles of those laid down by the central committee, but there are also "home-grown policies" that are truly grounded in reality and supported by the masses.

违反中央政策根本原则的“土政策”要反对，但是也有的“土政策”确是从实际出发的，是得到群众拥护的。

Wall reform policy towards energy save and soil save is put forward by the country as the implementation of sustainable development in china continuing.

随着我国可持续发展方针的实施，在建筑领域，国家提出了节能、节土的墙体改革政策。

They contain local history and traditional culture, family management and enlarged familism, and local policy.

重点阐述了三种非正式制度：社区历史文化传统、家族化和泛家族主义、地方性土政策。

Families of Malaysia Airlines Flight 370 continued talks with airline officials Wednesday, after many expressed anger over lack of information and poor conditions.

马来西亚航空（Malaysia Airlines）失联MH370航班的乘客家属周三继续与该航空公司管理人员进行谈判。许多家属对信息缺乏和食宿条件差表达不满。

First up this Wednesday on CNN STUDENT NEWS, the search for Malaysia Airlines Flight 370.

本周三的CNN学生新闻我们首先关注寻找失联的MH370客机。

The captain of the vanished Malaysia Airlines jet and his support for opposition leader Anwar Ibrahim have become the latest fodder for political rivals who are accusing each other of exploiting a national crisis.

马来西亚航空公司（Malaysia Airlines）失联客机的机长以及他支持反对党领袖安瓦尔（Anwar Ibrahim）的态度成为马来西亚政治争斗的最新素材，政治对手纷纷指责对方利用全国危机为自己谋取好处。

The search effort's primary goal remains recovering the Boeing 777's 'black box' flight-data and cockpit-voice recorders.

此次搜寻行动的首要目标仍然是打捞这架失联波音（Boeing）777客机的黑匣子飞行数据和驾驶舱语音记录器。

The Mumbai Mirror reported that Samved was waiting to receive them at Beijing's airport when the news that the plane had gone missing came through.

据Mumbai Mirror报的报道，飞机失联的消息传来时，Samved正在北京的机场等待接机。

Ten planes resumed the hunt in the Indian Ocean for clues to the disappearance of Malaysia Airlines Flight 370 on Monday, including--for the first time--Chinese military aircraft.

10架飞机周一继续在印度洋搜寻马来西亚航空（Malaysia Airlines）失联航班的踪迹，其中包括两架中国军机，这是中国军机首次参与这次搜寻工作。

'It's not about the amount,' Mr. Ong said, noting that the money is intended to help Chinese families who are away from home and awaiting news of the plane.

Ong说，金额大小并不重要，这笔钱用来支付出门在外等待失联飞机消息的中国家属们的开支。