s. not made known
a. 未泄露的, 保持秘密的, 不露真名的, 身分不明的
[法] 身份不明的, 隐名的, 未透露的
1. The company announced an undisclosed amount of money for the charity.
该公司宣布了一个未披露的捐款金额给慈善机构。
2. The details of the agreement remain undisclosed to the public.
协议的细节对公众仍然是未披露的。
3. She received an undisclosed gift for her birthday.
她收到了一个未披露的生日礼物。