1
complication of sth
The complication of the disease requires careful monitoring.
疾病的并发症需要仔细监测。
复杂化，复杂情况
先理解核心含义，再看它在真实句子里的用法。
复杂化，复杂情况
a factor that makes a situation more difficult or complex
The complication of the disease requires careful monitoring.
疾病的并发症需要仔细监测。
使复杂的行为或过程
The act or process of complicating.
复杂化的行为或过程
the act or process of complicating
复杂状态；部分的错综或混乱关系；复杂性
The state of being complicated; intricate or confused relation of parts; complexity.
复杂或混乱的情况或条件
a situation or condition that is complex or confused
The sudden rain added a complication to our outdoor picnic plans.
突如其来的雨给我们的户外野餐计划增加了复杂性。
AI contextual example
She handled the unexpected complication with great patience and skill.
她以极大的耐心和技巧处理了这个意外出现的复杂情况。
AI contextual example
One complication of the project was the lack of clear communication between teams.
该项目的一个复杂情况是团队之间缺乏清晰的沟通。
AI contextual example
her coming was a serious complication
她的到来带来了严重的麻烦
WordNet
The complication of the disease requires careful monitoring.
疾病的并发症需要仔细监测。
There was a complication in the surgery.
手术中出现了一个并发症。
Untreated infections can lead to serious complications.
未经治疗的感染可能导致严重的并发症。
The procedure was completed without complication.
手术顺利完成，未出现并发症。
Not this
The complication of the problem is high.
Use this
The complexity of the problem is high.
学习者混淆了complication（具体难题）和complexity（复杂程度）。complication通常指具体的问题或并发症，而这里需要的是表示'复杂程度'的complexity。
Not this
He suffered complication after the surgery.
Use this
He suffered a complication after the surgery.
complication作'并发症'讲时可数，需加不定冠词a或适当限定词。
Focus on the distinctions below. Other candidates are kept compact until a reliable usage note is available.
严重并发症
The patient developed a serious complication after surgery.
患者术后出现了严重并发症。
医疗并发症
Diabetes can lead to many medical complications.
糖尿病可导致许多医疗并发症。
出现并发症
A complication arose during the treatment.
治疗过程中出现了并发症。
发生并发症
If complications occur, call the doctor immediately.
如果发生并发症，立即叫医生。
增加复杂性
The new rule added an unnecessary complication to the process.
新规定给这个过程增加了一个不必要的复杂性。
避免并发症
Regular check-ups can help avoid complications.
定期检查有助于避免并发症。
Use complication naturally, then get feedback on meaning, tone, grammar, and phrasing.
Revisit a common error or keep this word in your review list.
记忆：简单事+并发症=复杂化，想象感冒发展成肺炎。
Register: neutral. Contexts: problems, events, situations. Note: 通常用于描述问题或情况变得复杂的过程或结果，属于中性语体。
可数名词，常与of, in, with连用
Dictionary facts from ECDICT, WIKTIONARY.