| 1. | I am finding this book very hard going .
我觉得这本书十分难懂。 |
| 2. | It is difficult to understand his books , much more his lectures .
他的讲演就更难懂了。 |
| 3. | His lips moved and some unintelligible sound came out .
他嘴唇微动，发出含糊难懂的声音。 |
| 4. | These words are usually unintelligible to those who are outside the specialty .
这些词语对那些外行人来说一般是晦涩难懂的。 |
| 5. | Carnot wished "to free geometry from the hieroglyphics of analysis" .
Carnot希望“把几何学从分析学的画符样难懂的文字中解放出来。” |
| 6. | "what you say is rather profound, and probably, erroneous," he said, with a laugh .
“你说的话相当难懂，说不定还有不正确的地方，”他说，接着哈哈一笑。 |
| 7. | It was not that those causes were so obscure that it required exceptional intelligence to perceive them .
那倒不是因为这些原因深奥难懂，需要过人的智慧。 |
| 8. | When it came to drawing joint conclusions, there was a nearly impenetrable opacity about heath's formulations .
临到要做结论时，希思的话变得晦涩难懂起来。 |
| 9. | If she kept us after school it was not to scold us but to help us past the hard part .
有时放学后，她把我们留下来，那并不是为了训斥我们，而是为了帮助我们弄明白难懂的地方。 |
| 10. | These children of the woods stood together for several moments, pointing at the crumbling edifice, and conversing in the unintelligible language of their tribe .
这些森林之子一块儿站了一会儿，指着这座倾圯的木屋，用他们那难懂的土话说了些什么。 |
