| 1. | Drought and soil erosion had long been a major problem .
干旱和水土流失一直是个老大难问题。 |
| 2. | You are a difficult case .
你是个老大难问题。 |
| 3. | A bigger , though much harder , prize will be immigration
另一个更为艰苦卓绝的"老大难“问题当属移民政策了。 |
| 4. | But composition teaching is perhaps the " hard nut to crack " in chinese teaching
而作文教学恐怕又是语文教学工作中的一个‘老大难’ 。 |
| 5. | Jump automobile at bridge end in soft clay area is a difficult problem of highway building over the years
软土路段桥头跳车是公路建设中的一个老大难问题。 |
| 6. | Nowadays , there are some problems that lead to inferior quality and low effectiveness in moral education
摘要学校德育工作中存在著质量与效果偏低的老大难问题。 |
| 7. | Mr . zhang zhi - gong once said : " chinese teaching might be regarded as " a hard nut to crack " in the common educational work .
张志公先生曾说过： “语文教学在普通教育工作中恐怕算得上一个‘老大难’ 。 |
| 8. | Questions of intellectual influence and causation are notoriously difficult , especially in the case of an author so far removed in time
问题的智力影响和因果关系，是个老大难问题，特别是在案件作家如此远的时候。 |
| 9. | In market competition , why some enterprises can talent show themselves off and some can not ? the main different is the management strategy design
为什么在市场竞争中有的企业能够脱颖而出，有的企业则由排头兵变为治不好的老大难？ |
| 10. | In many places there is a problem over intellectual property because of an imbalance of power between copyright and patent holders on the one hand , and the public on the other
在很多地方，知识产权都是个老大难问题，原因就是版权和专利权所有人和公众之间权限的失衡。 |
