1
the unreliability of sth
unreliability 通常为不可数名词；表达“某事物的不可靠”时常用 the unreliability of ... 结构。
The unreliability of the old data caused many problems.
旧数据的不可靠性导致了许多问题。
不可靠；不可信赖
先理解核心含义，再看它在真实句子里的用法。
不可靠；不可信赖
the quality of not being dependable or reliable
The unreliability of the old data caused many problems.
旧数据的不可靠性导致了许多问题。
不可靠性；不可靠的性质。
The quality of being unreliable.
The unreliability of the weather forecast made us cancel the picnic.
天气预报的不可靠让我们取消了野餐。
His repeated lateness showed a serious unreliability that worried the team.
他反复迟到显示出一种严重的不可靠，这让团队很担心。
The bus service gained a reputation for unreliability during the winter storms.
在冬季暴风雪期间，公交服务因不可靠而出了名。
unreliability 通常为不可数名词；表达“某事物的不可靠”时常用 the unreliability of ... 结构。
The unreliability of the old data caused many problems.
旧数据的不可靠性导致了许多问题。
可用物主代词或名词所有格修饰 unreliability，强调某人的特点。
His unreliability made it hard to trust him.
他的不可靠让人很难信任他。
due to 后接名词短语表示原因，比 because of 更正式。
The project failed due to the unreliability of the network connection.
项目因网络连接不可靠而失败。
Not this
The unreliable of the machine caused the accident.
Use this
The unreliability of the machine caused the accident.
cause 的主语需要名词，unreliable 是形容词，不能作名词；应使用名词 unreliability 表示“不可靠”的状态。
Not this
The unreliability of the results are obvious.
Use this
The unreliability of the results is obvious.
主语是单数名词 unrelability，of the results 只是修饰性后置定语，不影响谓语单复数；所以谓语应用 is 而不是 are。
Focus on the distinctions below. Other candidates are kept compact until a reliable usage note is available.
记忆的不可靠性
The unreliability of memory makes eyewitness accounts questionable.
记忆的不可靠性使目击者的叙述受到质疑。
长期性的不可靠
His chronic unreliability cost him the job.
他长期性的不可靠让他丢了这份工作。
固有的不可靠性
The inherent unreliability of the system led to frequent errors.
该系统固有的不可靠性导致了频繁出错。
出了名的不可靠
The company's notorious unreliability drove customers away.
该公司出了名的不可靠让顾客纷纷离去。
数据的不可靠性
Researchers must account for the unreliability of data collected in the field.
研究人员必须考虑到实地收集数据的不可靠性。
证人的不可靠性
The unreliability of witnesses often complicates criminal cases.
证人的不可靠性常常使刑事案件变得复杂。
Use unreliability naturally, then get feedback on meaning, tone, grammar, and phrasing.
Revisit a common error or keep this word in your review list.
unreliability 可拆为 un-（不）+ reliability（可靠），可靠性被否定就成了“不可靠”。想象一个总放鸽子的朋友，那就是 unreliability。
语域：neutral 常见场景：系统或设备评估、数据或来源可信度讨论、书面报告 通常用于正式或技术性语境，如评估系统、数据或信息来源的可靠性；口语中较少单独使用，多改用 not reliable 等表达。
复数形式为 unreliabilities。
Dictionary facts from ECDICT, WIKTIONARY.