adj.未泄露的；保持秘密的；身份不明的
The inmates were moved to an undisclosed location. 監(jiān)獄里的囚犯被轉(zhuǎn)移到一個(gè)秘密處所。
But the truth of the incident is still left undisclosed. 但事件的真相還有不為人知的。
