complex

complex, complicated, sophisticated, intricate

名词 complex:

1. a conceptual whole made up of complicated and related parts
   同义词：composite
2. a compound described in terms of the central atom to which other atoms are bound or coordinated
   同义词：coordination compound
3. (psychoanalysis) a combination of emotions and impulses that have been rejected from awareness but still influence a person's behavior
4. a whole structure (as a building) made up of interconnected or related structures
   同义词：building complex

形容词 complex:

1. complicated in structure; consisting of interconnected parts

1. It's a complex question and her answer was too pat.
   那问题很复杂，但她的回答简直是脱口而出。
2. The army is an extremely complex organism.
   军队是极其复杂的组织。
3. It's a complex question and your answer was too pat.
   这是一个复杂的问题，你的回答来得太快了。
4. My grandmother has a complex against foreigners.
   我奶奶对外国人抱有偏见。
5. He has a complex about his weight.
   他过分关心自己的体重。
6. Life is getting more complex and difficult.
   生活正在变得越来越复杂和艰难。

com.plex

adj.（形容词）

Consisting of interconnected or interwoven parts; composite.
复合的：由互相关联或交织的部分构成的；复合的
Composed of two or more units:
合成的：由两个或多个单元组成的：
例句：
a complex carbohydrate.
碳水化合物

Involved or intricate, as in structure; complicated.
复杂的：在结构中牵扯较多的或错综复杂的；复杂的
Grammar
【语法】
Consisting of at least one bound form. Used of a word.
复合词的：具有至少一种组合形式的。用于单词
Consisting of an independent clause and at least one other independent or dependent clause. Used of a sentence.
复合句的：包含一个独立主句和至少一个独立或非独立从句的。用于句子
n.（名词）

A whole composed of interconnected or interwoven parts:
合成体：由相互关联交织的部分组成的整体：
例句：
a complex of cities and suburbs; the military-industrial complex.
城郊结合体；军事工业合成体

Psychiatry A group of related, often repressed ideas and impulses that compel characteristic or habitual patterns of thought, feelings, and behavior.
【精神病学】 情结：一组相关的控制和抑制思想、感觉和行为特征或习惯的观念和冲动
An exaggerated or obsessive concern or fear.
夸大的或过激的担心或恐惧
Medicine The combination of factors, symptoms, or signs of a disease or disorder that forms a syndrome.
【医学】 综合症状：形成综合病症的全部因素、病症、或疾病或失调外在表象的综合特征

来源：
Latin complexus [past participle of] complecto [to entwine] * see complect
拉丁语 complexus [] complecto的过去分词 [使…缠绕] *参见 complect

【引伸】
complex.ly
adv.（副词）
complex.ness
n.（名词）
<参考词汇><同义词>complex,complicated,intricate,involved,tangled,knottyThese adjectives mean having parts so interconnected as to make the whole perplexing.
这些形容词都指各部分间相互关联从而使整体复杂难懂。
Complex implies a combination of many associated parts:
Complex 暗指许多关联部分的组合：
例句：
The composer transformed a simple folk tune into a complex set of variations.
这位作曲家把一首简单的民歌小调改编成一首复杂的变奏曲。

Complicated stresses elaborate relationship of parts:
Complicated 强调各部分之间的细微关系：
例句：
Middle Eastern politics is so complicated that even experts cannot agree on a cohesive policy.
中东政治如此复杂以致于甚至专家们也难以制定出统一的政策。

Intricate refers to a pattern of intertwining parts that is difficult to follow or analyze:
Intricate 着重于各部分交织在一起很难区分或分析：
例句：
.No one could soar into a more intricate labyrinth of refined phraseology. (Anthony Trollope).
.没有人能够攀进复杂的专业术语的优雅迷宫. （安东尼·初蒲）。

Involved stresses confusion arising from the commingling of parts and the consequent difficulty of separating them:
Involved 强调若是把各部分混在一起将是难以区分的：
例句：
The plot of the play has been criticized as being too involved.
这个剧本的情节因过于混乱而遭到了批评。

Tangled strongly suggests the random twisting of many parts:
Tangled 强烈暗示许多部分无序地混在一起：
例句：
.Oh, what a tangled web we weave,/When first we practice to deceive!. (Sir Walter Scott).
.噢，我们陷入一团混乱，/当我们第一次试图使诈时!. （沃特尔·斯图尔特爵士）。

Knotty stresses intellectual complexity leading to difficulty of solution or comprehension:
Knotty 强调智力问题上的难于解决或理解：
例句：
Even the professor couldn`t clarify the knotty point.
甚至教授也无法解决这个棘手问题。