adj.未披露的，未公开的，保密的

An undisclosed sum of money was transferred to the charity.
一笔未公开的金额被转给了慈善机构。
The company's financial details remain undisclosed to the public.
公司的财务详情对公众来说仍然是未知的。
He chose to keep his personal life undisclosed, rarely speaking about it in interviews.
他选择保持个人生活的神秘，很少在采访中提及。
The suspect's identity is undisclosed for legal reasons.
出于法律原因，嫌疑人的身份并未公开。
The undisclosed source provided crucial information to the investigation.
匿名消息来源为调查提供了关键信息。
The undisclosed tax evasion scandal has caused uproar among taxpayers.
未公开的逃税丑闻引起了纳税人的强烈不满。
The settlement amount in the lawsuit is confidential and undisclosed.
诉讼中的和解金额是保密的，不得公开。
An undisclosed number of employees have been laid off due to restructuring.
由于重组，有不明数量的员工被裁员。
The government has disclosed limited details about the new defense project.
政府只透露了新国防项目的一些细节。
Her illness was disclosed by her doctor to her family members.
她的病情是由医生向家人透露的。