1
complicate + noun phrase
及物用法，直接跟宾语。
The new regulations complicate the process.
新规定使流程复杂化。
使复杂化；使恶化；使更难处理
先理解核心含义，再看它在真实句子里的用法。
使复杂化；使恶化；使更难处理
make something more complex, intricate, or difficult to deal with
The new regulations complicate the process.
新规定使流程复杂化。
使复杂；修改以使某物复杂或困难
To make complex; to modify so as to make something intricate or difficult.
卷入复杂的事情中
To involve in a convoluted matter.
与(另一种疾病)共存,造成并发症
To coexist with (another disease) creating a complication.
complicate
Base
原形
complicates
3rd person
第三人称单数
complicating
-ing
现在分词
complicated
Past
过去式
complicated
Past participle
过去分词
This complicates the situation.
这使情况复杂化了。
The new rule complicated everything.
新规则使一切变得复杂。
The issue has complicated our plans.
这个问题使我们的计划复杂化了。
He is complicating matters unnecessarily.
他正在不必要地使事情复杂化。
及物动词，后接名词或代词。
The new regulations complicate the application process.
新规定使申请过程复杂化。
The situation was complicated by his sudden resignation.
他的突然辞职使情况复杂化了。
Things tend to complicate when too many people are involved.
当太多人介入时，事情往往会变得复杂。
及物用法，直接跟宾语。
The new regulations complicate the process.
新规定使流程复杂化。
被动结构，表示受某因素影响而复杂。
The situation was complicated by his sudden illness.
情况因他突然生病而变得复杂。
固定短语，常用作插入语。
To complicate matters, the computer crashed.
使情况更复杂的是，电脑死机了。
Not this
This is a complicate problem.
Use this
This is a complicated problem.
complicate 是动词，不能直接作定语修饰名词；应用其形容词形式 complicated。
Not this
The situation complicates.
Use this
The situation is complicated.
complicate 作不及物动词不常见，表达“变复杂”通常用 be/get complicated 或 become complicated。
Focus on the distinctions below. Other candidates are kept compact until a reliable usage note is available.
使事情复杂化
His refusal to cooperate only served to complicate matters further.
他拒绝合作只会让事情变得更复杂。
使局势复杂化
The new regulations will complicate the situation for small businesses.
新规定将使小企业的局势复杂化。
使过程复杂化
Adding more steps will only complicate the process.
增加更多步骤只会使过程复杂化。
使问题复杂化
Bringing up unrelated topics will complicate the issue further.
提出不相关的话题会使问题进一步复杂化。
进一步复杂化
The unexpected delay could further complicate our plans.
意外的延误可能进一步使我们的计划复杂化。
使事情复杂化
His sudden resignation complicated matters for the project.
他突然辞职使项目的事情复杂化了。
使问题复杂化
Bringing up unrelated topics will only complicate the issue.
提出无关的话题只会使问题复杂化。
使生活复杂化
She tends to complicate her life by overthinking.
她总是想得太多，使自己的生活复杂化。
Use complicate naturally, then get feedback on meaning, tone, grammar, and phrasing.
Revisit a common error or keep this word in your review list.
想象把简单的事情'折叠'在一起（plicate有折叠之意），就变得复杂了。
语域：mixed 常见场景：学术写作、技术说明、日常沟通 该词在正式与非正式场合均常见，通常用于描述使情况变得复杂的过程，比较常见于学术或技术语境。
及物动词时意为'使复杂化'，不及物时意为'变复杂'
Dictionary facts from ECDICT, WIKTIONARY.