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1·The instructions look very complicated.

这说明书看起来很难懂。《牛津词典》

2·The instructions were rather complicated.

这些说明相当复杂。《牛津词典》

3·The situation in Lebanon is very complicated.

黎巴嫩的形势非常复杂。《柯林斯英汉双解大词典》

4·To the uninitiated the system seems too complicated.

对外行而言，这个系统似乎过于复杂。《牛津词典》

5·The biology of these diseases is terribly complicated.

这些疾病的作用方式极其复杂。《柯林斯英汉双解大词典》

6·Though complicated in detail, local taxes are in essence simple.

虽然细节复杂，地方税本质上是简单的。《柯林斯英汉双解大词典》

7·His love life was complicated, and involved intense relationships.

他的爱情生活很复杂，有过一些热恋。《柯林斯英汉双解大词典》

8·He described it as an extraordinarily tangled and complicated tale.

他把它讲成了一个格外错综复杂的故事。《柯林斯英汉双解大词典》

9·The situation was more complicated than they had at first realized.

形势比他们最初意识到的更为复杂。《牛津词典》

10·The benefits system is complicated and unwieldy and needs reforming.

福利制度十分庞大复杂且难以控制，亟需改革。《柯林斯英汉双解大词典》

复杂的

1·The instructions were rather complicated.

这些说明相当复杂。《牛津词典》

2·The situation in Lebanon is very complicated.

黎巴嫩的形势非常复杂。《柯林斯英汉双解大词典》

3·To the uninitiated the system seems too complicated.

对外行而言，这个系统似乎过于复杂。《牛津词典》

4·The biology of these diseases is terribly complicated.

这些疾病的作用方式极其复杂。《柯林斯英汉双解大词典》

5·Though complicated in detail, local taxes are in essence simple.

虽然细节复杂，地方税本质上是简单的。《柯林斯英汉双解大词典》

繁复的

1·So many rich people buy incredibly complicated watches without understanding how they work, because they want a story to tell, he said.

他说：“很多有钱人买功能极其繁复的手表，却不知道该如何使用它们，他们只是想要借此讲个故事。”

2·The result is an overly complicated and somewhat arbitrary system, but still much better than nothing.

结果就是一个过于繁复而且有些武断的系统，即使如此也仍比什么都不做好得多。

3·In the process of the humming work robots can be of a great use for people. With them less time would be spend for the most complicated tasks and the crunch times would take place not so often.

在人类的工作过程中机器人能起到很大的作用，它让我们可以在大多数繁复的工作上节省时间，也能完成更多艰巨的任务。

4·What is more, the imperial procession guard will, in the light of the setting of white marble pier, arrange complicated guard of honor, which is usually comprised of thousands of guards.

銮仪卫在殿前广场上还按地上的白石仪仗墩排列繁复的卤簿仪仗，仪仗队伍即达数千人之众。

5·The tax code is absurdly complex, and most people with complicated lives hand over their Numbers to accountants and hope for the best.

因为免税代码本就复杂到了荒谬的地步，而大部分为繁复生活而奔忙的人们，把他们赚得的每个子儿都交给了会计员，当然总是期望得到最好的结果。

很复杂的

1·But it gets complicated.

但这变得很复杂。

2·It gets complicated.

这变得很复杂。

3·Genius is a complicated concept, involving many different factors.

“天才”是一个很复杂的概念，它涉及许多不同的因素。

4·Things certainly get complicated in a hurry when you get into them, but I wonder if something couldn't be done to deal with some of these problems.

当你开始做的时候，匆忙中事情肯定会变得很复杂，但是我想知道要解决这些问题中的一些，是否有什么事情是不能做的。

5·These are not complicated sites, but they caught on.

这些都不是很复杂的站点，但是他们能抓住人。

纷繁复杂

1·Messages about diet, including how much or what type of alcohol is beneficial, aren't simple, and the array of strategies available for quitting smoking are diverse and actually quite complicated.

关于饮食，包括多少和哪种的酒精是有益的，并不简单，各种戒烟的手段也纷繁复杂。

2·More and more entertainment celebrities are dying unexpectedly, so it becomes important that stars can have a stable state of mind in the complicated entertainment circle.

如今娱乐圈明星的离奇死亡似乎越来越多，因此在纷繁复杂的娱乐圈给明星一个安稳的心态，让他们感到快乐就变得越加重要。

3·Face with complicated modern information resources, how to quickly and accurately find the needed information by computer retrieval has become an issue of wide concern for readers.

面对现代纷繁复杂的信息资源，如何能快捷、准确地利用计算机检索方法找到所需信息是广大读者极其关心的问题。

4·Our life rich and colorful, our world complicated, so we will be more troubles, pressure will be greater.

我们的生活丰富多彩，我们的世界纷繁复杂，所以我们的烦恼会更多，压力会更大。

5·Conflicts of interest are complicated , with various types between different parties concerned, which display in various forms and occur at different stages.

利益冲突在律师执业过程中的表现形式纷繁复杂，不同类型的利益冲突存在于不同的主体间。

繁

1·Genius is not about making complicated things. It's about making complicated things very simply.

天才不会把事情搞复杂。天才只会化繁为简。

2·As a result, a nice eating has become our simplest wish in this complicated world, as well as the primitive care and the primary balance for people in this dazzling world.

于是美食便成了在极繁空间中的极简愿望，是花花世界里对于人生的最原始体贴与最初平衡。

3·By checking against the table or the chart, productive personnel are able to dot directly to the controlling chart, thus saving complicated calculations.

通过查表或查图，生产者直接可以在控制图上打点，省去了繁锁的计算。

4·The competition intensifies and the profit decreases. It updates more and more quickly, which brings forward more complicated work and more pressure.

竞争的加剧，利润的下跌，更新的加快则客观上决定了这个行业的从业者将面临更繁的工作及更大的压力。

5·Each volume shall be carried out progressively according to respective unit, from simple to complicated one, the contents will be gradually increased and expanded with teaching scope.

各册教材内容按各自章节范围循序渐进，由简至繁，逐渐增加内容和扩大教学范围。

难懂的

1·The instructions look very complicated.

这说明书看起来很难懂。《牛津词典》

2·While the book is not perfect - the acronyms (SHE, SLIP, etc.) complicated things for me a bit - it is still better than most other books on simplicity aimed at business people.

然而，它并不是完美的，像SHE、SLIP等简写词令我感到有点难懂，但是它仍然比大多数的标题中带“简单”的书要出色。

3·Is poetry too complicated for the average reader?

对普通读者来说，诗很难懂吗？

4·The truth was more complicated.

真相往往更加难懂。

5·Note: Some of the later steps of this approach introduce techniques that may at first seem a little complicated.

注意：该方法后面的一些步骤介绍了可能在开始时有些难懂的技术。

复杂多样的

1·In the works, the writer depicts to the nicety the complicated personality of every individual through diverse artistic means such as dialogues, solos and poetry.

作者运用对话、独白、诗词曲赋等多样化的艺术手段，把每个人物复杂多样的性格特征描绘得分寸适宜。

2·As one of traditional Chinese medicines, Honeysuckle has complicated chemical composition.

金银花为中医常用药，其化学成分复杂多样。

3·The factors influencing the quality and safety of agricultural products is complicated. Pesticide unreasonable application was the threat of the quality and safety of agricultural products.

影响农产品质量安全的因素复杂多样，其中农药的不合理施用，是威胁农产品质量安全的最主要因素之一。

4·Here exist the complicated and diverse climate and topography, thus producing thousands after thousands of species of rare animals and worldly treasures, being well known as a natural museum.

复杂多样的气候特点和地形地貌，孕育出万千物种和世间珍奇，堪称自然博物馆。

复杂难懂的

1·Something that should be simple and transparent can be complicated, intentionally or unintentionally, in ways that impair consumer choice.

一些本该简单透明的东西，却在有意或无意间变得复杂难懂，从而损害了消费者的选择权。

2·If you have to use complicated terms, complement them with an easy to understand example of what you mean.

如果你不得不用到复杂难懂的术语，那就用一种你认为便于理解的实例来补充说明它吧。

3·The search engine treats the first 200-300 words on a page as important and skips complicated content.

搜索引擎会着重处理页面源文件中最开始的前200 - 300个单词，并会跳过那些复杂难懂的内容。

(1)complicated structure复式构造

(1)complicated fault复杂断层

(1)be complicated by并发