1. His political ideas were too complex.
    他的政见太令人费解。

2. It was a complex problem.
    这是一个复杂的问题。

1. The new sports complex has everything needed for many different activities.
    新建的综合体育馆能为多种活动提供所需要的设施。

2. Andrew''s complex about sex led his marriage to a failure.
    安德鲁病态的性心理导致了婚姻失败。

3. A petrochemical complex is to be built here.
    这儿将建造一个石油化学联合企业。

1. 络合物：络合反应(complexing reaction)是将中心原子(或离子)与一定数目(多于中心离子的氧化数)的负离子或中性分子直接结合,组成复杂的离子或分子络合物(complex)的方法.

1. 复杂的;错综的
    Something that is complex has many different parts, and is therefore often difficult to understand.

    e.g. ...in-depth coverage of today''s complex issues.
           对时下一些复杂问题的深度报道
    e.g. ...a complex system of voting.
           错综复杂的选举体制

2. (句子)复合的
    In grammar, a complex sentence contains one or more subordinate clauses as well as a main clause.

complex在线翻译

3. 综合建筑群;综合大楼
    A complex is a group of buildings designed for a particular purpose, or one large building divided into several smaller areas.

    e.g. ...plans for constructing a new stadium and leisure complex.
           修建新体育场和休闲中心的计划
    e.g. ...a complex of offices and flats.
           商住综合楼

4. 错综复杂的组合;复合体
    A complex of things is a group or system of things that are connected with each other in a complicated way.

    e.g. ...the complex of clans which occupied the land.
           生活在这片土地上的关系复杂的氏族群落
    e.g. ...the military-industrial complex.
           军工综合企业

5. (通常指由于过去不愉快的经历而形成的)情结
    If someone has a complex about something, they have a mental or emotional problem relating to it, often because of an unpleasant experience in the past.

911查询·英语单词

    e.g. I have never had a complex about my height.
           我从来没有担心过自己的身高。
    e.g. ...a deranged attacker, driven by a persecution complex.
           患有受迫害妄想症、精神失常的袭击者

1. a whole structure (as a building) made up of interconnected or related structures

    Synonym: building complex

2. a conceptual whole made up of complicated and related parts

    e.g. the complex of shopping malls, houses, and roads created a new town

    Synonym: composite

3. (psychoanalysis) a combination of emotions and impulses that have been rejected from awareness but still influence a person''s behavior

4. a compound described in terms of the central atom to which other atoms are bound or coordinated

    Synonym: coordination compound

1. complicated in structure
    consisting of interconnected parts

    e.g. a complex set of variations based on a simple folk melody
           a complex mass of diverse laws and customs