Word · Frequency #1339
complex
复杂的；难懂的
Not simple or easy; complicated.
- 1.
Made up of multiple parts; composite; not simple.
- 2.
Not simple, easy, or straightforward; complicated.
不简单、不易或直接的；复杂的
- 3.
Having the form a + bi, where a and b are real numbers and i is (by definition) the imaginary square root of −1.
- 4.
Whose range is a subset of the complex numbers.
值域为复数子集的
- 5.
Whose coefficients are complex numbers; defined over the field of complex numbers.
系数为复数的；定义在复数域上的
- 6.
A curve, polygon or other figure that crosses or intersects itself.
复合的；组合的；复数的；自交的；交叉的；不简单、不易或直接的；复杂的；值域为复数子集的
In use
The instructions for assembling the furniture are very complex, with many steps to follow.
This mathematical problem is too complex for me to solve without help.
The company has a complex organizational structure that spans multiple departments.
be complex
形容事物由许多部分构成而难以理解。
The problem is very complex.
这个问题非常复杂。
a complex + noun
They face a complex issue.
他们面临一个复杂的问题。
too complex to + infinitive
注意不定式表示结果或能力。
Connections
Collocations
- complex problem
- 复杂的问题
- We are facing a complex problem that requires careful analysis.我们面临一个需要仔细分析的复杂问题。
- complex system
- 复杂的系统
- The human brain is a highly complex system.人脑是一个高度复杂的系统。
- complex relationship
- 复杂的关系
- They have a complex relationship that is hard to understand.他们之间有一种难以理解的复杂关系。
- complex process
- 复杂的过程
- Learning a language is a complex process.学习语言是一个复杂的过程。
- complex issue
- 复杂的问题
- Climate change is a complex issue with many factors.气候变化是一个涉及众多因素的复杂问题。
- complex structure
Learner notes
Memory Tip
想象许多零件（plex）相互连接（com），构成复杂结构。
Context & Register
常见场景：数学、技术、社会科学、日常问题 通常用于正式或学术语境，但也可用于日常描述复杂问题。
Pronunciation & Spelling
All listed words rhyme with complex (adjective, /kəmˈplɛks/) as they share the stressed /ɛks/ ending. Note that 'convex' may have variable stress; when stressed on the second syllable, it rhymes.
High-value vocabulary
该词属于 Oxford 核心词汇，值得优先掌握常见搭配和句型。
Usage priority
Collins 词频等级为 4，建议结合例句记忆，而不是只背中文释义。
Learn the forms together
页面下方列出了常见词形变化。学习时注意它们在句子中的语法位置。
Dictionary facts from ECDICT, WIKTIONARY, WORDNET.