secretiveness
n. 隐匿,分泌
If you are secretive, you like to have secrets and to keep your knowledge, feelings, or intentions hidden.
Billionaires are usually fairly secretive about the exact amount that they're worth.
亿万富翁通常对自己身家的确切数目讳莫如深。
...the secretive world of spying.
不为人知的间谍界
1. characterized by a lack of openness (especially about one's actions or purposes)
2. the trait of keeping things secret
He was evasive, to the point of secretiveness.
他含糊其辞,让人觉得有意隐瞒。
Given that secretiveness, I'm not potential investors were at the time.
《滚雪球》谈到,巴菲特绝对控制金钱, 不给合伙人说任何投资信息.他们只是得到了年度总结.