involving many different parts or elements that make something difficult to understand or deal with
复杂的, 难懂的
向学生解释科学理论很复杂，因为它需要分解复杂的概念。
not easy to understand or analyze
复杂的, 难以理解的
requiring specialized or secret knowledge to comprehend fully
神秘的, 晦涩的
她在量子物理学中的神秘专业知识使她成为了一位备受追捧的顾问。
(of a system, device, or technique) intricately developed to a high level of complexity
复杂的, 精密的
豪华汽车的生产过程涉及精密的机械和精确的工程。
carefully planned, developed, or made with a great deal of detail
精心制作的, 详尽的
having many complex parts or details that make it difficult to understand or work with
复杂的, 详细的
艺术家创作了一幅错综复杂的画作，充满了隐藏的细节。
(of sentences, explanations, arguments, etc.) long and difficult to understand, often due to complexity or excessive detail
复杂的, 曲折的
他复杂的解释只是增加了对这个项目的困惑。
including many specific elements or pieces of information
详细的, 细致的
地图上有详细的标记，显示了国家公园里所有的徒步小径。
formed or created by joining two or more elements or parts together
结合的, 共同的
该公司提供了一个组合套餐，包括互联网、电视和电话服务。
made up of two or more separate parts, elements, or components
复合的, 复式的
so detailed and complex that understanding becomes difficult
复杂的, 繁琐的
法律体系的拜占庭式规定使得普通公民几乎无法理解。
extremely long and complicated and sometimes tricky to understand
曲折的, 复杂的
他曲折的推理使决策过程变得比需要的困难得多。
full of complications or difficulties
复杂的, 棘手的
解决这个复杂的数学问题被证明即使对最有技能的数学家来说也是一个棘手的挑战。
