1. 这些疾病的作用方式极其复杂
The biology of these diseases is terribly complicated.

《柯林斯英汉双解大词典》

2. 这是一本复杂却能引发兴趣的书。
It is a complex yet stimulating book.

《柯林斯英汉双解大词典》

3. 这是个复杂系统,但肯定有所改进。
It is a complex system, but it certainly makes a change.

《柯林斯英汉双解大词典》

4. 形势比他们最初意识到的更为复杂
The situation was more complicated than they had at first realized.

《牛津词典》

5. 对外行而言,这个系统似乎过于复杂
To the uninitiated the system seems too complicated.

《牛津词典》

6. 我很清楚这个问题比他料想的更复杂
I knew very well that the problem was more complex than he supposed.

《柯林斯英汉双解大词典》

7. 他的爱情生活很复杂,有过一些热恋。
His love life was complicated, and involved intense relationships.

《柯林斯英汉双解大词典》

8. 他们的贸易法规极为复杂
Their trade laws are fiendishly complex.

《柯林斯英汉双解大词典》

9. 请注意,下一点非常复杂
Now, the next point is quite complex.

《牛津词典》

10. 虽然细节复杂,地方税本质上是简单的。
Though complicated in detail, local taxes are in essence simple.

《柯林斯英汉双解大词典》

11. 任何计算机都无法模拟人脑的复杂功能。
No computer can imitate the complex functions of the human brain.

《牛津词典》

12. 他把它讲成了一个格外错综复杂的故事。
He described it as an extraordinarily tangled and complicated tale.

《柯林斯英汉双解大词典》

13. 黎巴嫩的形势非常复杂
The situation in Lebanon is very complicated.

《柯林斯英汉双解大词典》

14. 我们的目的是要简化复杂的社会保险体系。
Our aim is to simplify the complex social security system.

《柯林斯英汉双解大词典》

15. 他是个异常复杂的人。
He was an unusually complex man.

《柯林斯英汉双解大词典》

16. 律师和会计们开始尝试理清银行复杂的事务。
Lawyers and accountants began trying to untangle the complex affairs of the bank.

《柯林斯英汉双解大词典》

17. 乔治掏出一串钥匙,去设法开这把复杂的锁。
George took out a bunch of keys and went to work on the complicated lock.

《柯林斯英汉双解大词典》

18. 这些说明相当复杂
The instructions were rather complicated.

《牛津词典》

19. 蛋白质分子构成了活细胞所有复杂的工作部件。
Protein molecules compose all the complex working parts of living cells.

《柯林斯英汉双解大词典》

20. 福利制度十分庞大复杂且难以控制,亟需改革。
The benefits system is complicated and unwieldy and needs reforming.

《柯林斯英汉双解大词典》

21. 那是个复杂的问题,但他却只看到对与错的分别。
It's a complex issue, but he only sees it in black and white.

《牛津词典》

22. 她可以心算复杂的数字,而我们常人就需要计算器!
She can deal with complicated numbers in her head, but we lesser mortals need calculators!

《牛津词典》

23. 道格拉斯是个复杂的男人,他体贴、殷勤而且慷慨。
Douglas was a complex man, thoughtful, gallant, and generous.

《柯林斯英汉双解大词典》

24. 种族主义这一主题委实太复杂,无法肤浅地加以概括。
The subject of racism is admittedly too complex for facile summarization.

《柯林斯英汉双解大词典》

25. 我不想使这项任务不必要地复杂化。
I do not wish to complicate the task more than is necessary.

《牛津词典》

26. 我带着复杂的心情从会场回到家。
I came home from the meeting with mixed feelings.

《柯林斯英汉双解大词典》

27. 他们对这个消息表现出复杂的感情。
They expressed mixed emotions at the news.

《牛津词典》

28. 一些手势语是非常复杂的交流方式。
Some sign languages are very sophisticated means of communication.

《柯林斯英汉双解大词典》

29. 他总是使用异常复杂的法律词语。
He's always using fancy legal words.

《牛津词典》

30. 他的评论只是把问题弄得更加复杂
His comments only served to confuse the issue further.

《牛津词典》