secretive

详细解释:a. 秘密的, 偷偷摸摸的, 分泌的, 促进分泌的

词型变化：

名词:secretiveness副词:secretively

英语解释：

形容词 secretive:

inclined to secrecy or reticence about divulging information同义词：close, closelipped, closemouthed, tightlipped