| 1. | It is up to us to help those in need .
我们有责任帮助那些有困难的人。 |
| 2. | It is difficult to exhaust much mass in this form !
要使这种形式的喷出物质量很大是有困难的。 |
| 3. | The teachers give individual tutoring to students who are having difficulties .
对有困难的学生，教师逐个进行辅导。 |
| 4. | They understood the difficulty of stopping a rolling conga line .
他们知道要一条正在滚滚向前的“康加线”停下来是有困难的。 |
| 5. | I'm not proposing a welfare system for every company that gets into trouble .
我并不是为每一个有困难的公司提议建立一个福利制度。 |
| 6. | They are present in soils in such small quantities that it is difficult to achieve satisfactory separations .
它们在土壤中的数量很小，要实现满意的分离是有困难的。 |
| 7. | Wide, gently sloping ramps provided easy passage for those who walked with difficulty, or not at all .
一条条宽阔的略微倾斜的小坡，替那些走路有困难的人甚至根本不能走路的人预备了方便的通道。 |
| 8. | If find a place for inconvenient , change to be hired
假如安置有困难的，改成租住。 |
| 9. | It is difficult for me to answer this question
要我回答这个问题是有困难的。 |
| 10. | He is always ready to help those in trouble
他总是乐于帮助那些有困难的人。 |
