secretiveness

n.隐匿,分泌

秘密性；保密；隐晦；神秘性；守口如瓶；遮遮掩掩。

名词；

1、He has a tendency towards secretiveness, never revealing too much about himself.
他往往保持着神秘性，从不透露太多关于他自己的事情。
2、The secretiveness of the entire operation raised suspicions among the public.
整个行动的秘密性引起了公众的怀疑。