secrecy
noun [ U ] uk/ˈsiː.krə.si/ us/ˈsiː.krə.si/
秘密；保密
the state of being secret or of keeping something secret
The content of her report is shrouded in secrecy (= being kept secret). 她的报告内容依然保秘。
I'd love to tell you about it, but Martin's sworn me to secrecy (= made me promise not to tell anyone). 我想告诉你，可是马丁让我发誓保守秘密。
There has been strong criticism of the secrecy surrounding the negotiations. 人们指责谈判不该那么神秘。