21. 我读过你的小说但是没料到你这么年轻。

I have read your novels but I didn't think you could be so young.
　　
After having read your novel, I expected that you would be older.
　　
　
　22. 她脸红了，让我看穿了她的心思。

　　Her red face made me see through her mind.

　　Correct: Her red face told me what she was thinking.
　　
　
　23. 看到这幅画让我想到了我的童年时代。

　　The sight of these pictures made me remember my own childhood.

　　Correct: Seeing these pictures reminded me of my own childhood.
　　
　　
24. 别理她。

Don't pay attention to her.

　　Leave her alone.
　　
　　
25. 我在大学里学到了许多知识。

　　I get a lot of knowledge in the university.

　　I learned a lot in university.
　　
　
　26. 黄山正在读书。

　　Samuel is reading a book.

　　Samuel is reading.

　
27. exciting / excited。
　　
　　
28. 我遇到了很多困难。

　　I am having many difficulties.

　　　I am having a few problems / lots of problems. 　
　　
　
　29. 请快点走，否则我们会迟到的。

　　Please hurry to walk or we'll be late.

　　　 Please hurry up or we'll be late. 　　

　　
30. 她由嫉妒转向失望。

　　She was so jealous that she became desperate.

　　　Jealousy drove her to despair.