核心词议：
adj. 难懂的，复杂的
v. 使复杂化，使难以理解；引起并发症（complicate 的过去式和过去分词形式）
complicated 基本解释
adj. 结构复杂的；混乱的，麻烦的
v. 使复杂化( complicate的过去式)
v. 使复杂化( complicate的过去式)
速记方法
速记技巧 词源词根法 com-一起+-plic-折叠+-ate动词词尾+-ed
知识扩展
同近义词 adj.难懂的，复杂的；involved,detailed,sophisticated,elusive
词语辨析
以下这些形容词均包含"复杂的"的意思
complex：侧重内在关系的复杂，需通过仔细研究与了解才能掌握和运用。
complicated：与complex的含义接近，但语气更强，着重极其复杂，很难分析、分辨或解释。
sophisticated：侧重指事物发展到或达到高级的程度所体现出的复杂。
intricate：着重指错综复杂，令人迷惑理解。 同根单词 complication并发症；复杂；复杂化；混乱
complicate使复杂化；使恶化；使卷入
中文词源
中文词源： complicated
精选例句
1、 The instructions were rather complicated.
这些说明相当复杂。
2、 The situation in Lebanon is very complicated.
黎巴嫩的形势非常复杂。
1、 For centuries, Ukrainians have been drawing complicated patterns on eggs.
几个世纪以来，乌克兰人一直在鸡蛋上画复杂的图案。
1、 That is because the engineers, designers, regulators, operators, and all of the other skilled people needed for the new energy industry are specialists who have to be trained first (or retrained, if they are the ones being laid off in some related industry), and education, like any other complicated endeavor, takes time.
这是因为新能源行业所需的工程师、设计师、监管人员、操作员和所有其他技术人员都是专家，他们必须首先接受培训(或者再培训，如果他们是在某些相关行业被解雇的人)，而教育，就像任何其他复杂的努力一样，需要时间。
1、 The potential evolution of today’s technology, and its social consequences, is dazzlingly complicated, and it’s perhaps best left to science fiction writers and futurologists to explore the many possibilities we can envisage.
当今技术的潜在演变及其社会后果令人眼花缭乱地复杂，也许最好留给科幻作家和未来学家去探索我们可以设想的许多可能性。
常见考点例句：
- But the guest list is complicated .
- 但这份嘉宾名单相当复杂。
- The relationship between exercise and weight loss is complicated .
- 锻炼和减肥间的关系是复杂的。
- Is poetry too complicated for the average reader ?
- 对普通读者来说，诗很难懂吗？
- The details are surprisingly complicated .
- 具体情况出奇地复杂。
- But reality is more complicated .
- 但是现实情况总是更加复杂。
