adj.不能证实的；无法检验（核实；考证）的

The rumors about his past remain unverifiable.
关于他过去的传闻无法证实。
Many claims in the article were unverifiable and lacked credible sources.
文章中的许多主张都无法证实且缺乏可靠来源。
His account of the incident is highly unverifiable due to lack of witnesses.
由于缺乏目击者，他对事件的描述极难查证。
She presented some unverifiable statistics during her presentation, which cast doubt on her credibility.
她在演讲中提出了某些无法核实的数据，这让人对其可信度产生了疑问。
The company's financial records from that period are reportedly unverifiable due to a fire destroying all documents.
据报道，由于火灾烧毁了所有文件，该公司那一时期的财务记录无法核实。
The anonymous tip-off contained information that was unverifiable at the time.
匿名举报包含的信息当时无法验证。
The experiment's results are unverifiable without replicating the conditions exactly.
如果不能完全复制实验条件，结果就无法验证。
The authenticity of the painting remains unverifiable as the artist never signed it.
由于画家从未在这幅画上签名，其真实性至今无法核实。
Several witnesses provided unverifiable testimonies, complicating the investigation.
几位证人提供的证词无法核实，使得调查变得复杂。
Some historical accounts of this event are purely speculative and unverifiable by modern standards.
对这一事件的部分历史记载纯粹是推测性的，按照现代标准无法核实。