1.
The Analysis of Factors of Struggling Readers Reading Difficulties-A Case Study;
学困学生英语阅读困难成因分析：个案研究
2.
The Study of Teaching Strategy and the Difficulty Cause of Formation in Senior High School Physics Teaching;
高中生物理学习困难成因及对策研究
3.
The Difficulty Factors of Music Learning and the Study of Strategies of Kindergarteners Training School Students;
幼师生音乐学习困难成因及对策研究
4.
The Cause of Difficulty in Mathematics Study for Pre-school Students and Its Countermove;
幼师生数学学习困难成因及对策研究
5.
On the Causes of Difficulties in Physics Learning and Strategies of Educational Transference;
物理学习困难成因及教育转化策略研究
6.
A Study of the Causes & Countermeasures of Physics Learning Disabilities for Rural High School Students;
农村高中学生物理学习困难成因及对策研究
7.
A cause of privation or suffering.
造成困苦与苦难的原因
8.
Research on the Cause of Difficulty to the Learning-difficulty Students of High School in Physics and the Countermeasure;
高中物理“学困生”学习困难的成因和对策
9.
The Reasons and Solutions about the Underachievers in Police Colleges and Institutions
公安院校“学困生”学习困难的成因及其解决对策
10.
be at a disadvantage or in a difficult situation,so that one seems unlikely to succeed
处于不利的地位或困境（因而难以成功）.
11.
Factors Causing Distance Learners Obstacles in Learning;
远程学习者学习困难之诸种造成因素
12.
An Analysis of Universal Difficulties in English Reading;
大学英语阅读中常遇困难的成因分析
13.
Study on Causes and Strategies of County Financial Difficulties in China;
我国县级财政困难的成因及对策研究
14.
Causal Analyses and Policy Proposals for the Grassroots Fiscal Difficulties;
基层财政困难的成因分析与对策建议
15.
The cause of formation, present situation and the developmental t endency of the destitute staff and works groups;
困难职工群体的成因、现状和发展趋势
16.
On Formation of Students with Learning Difficulties in Independent Colleges and Countermeasures
独立学院学习困难学生的成因及对策
17.
Non-Intelligence Factors and Math-Learning;
中职非智力因素数学困难生的成因调查与研究
18.
The farmer's financial difficulties were caused By a scanty harvest
这个农民的经济困难是因为收成不足造成的。