1. 保密的;分泌的：secretion 分泌;空隙充填 | secretive 保密的;分泌的 | SECT line 趋肤效应伴热管线

2. 隐隐藏藏的：secretive 隐隐藏藏的 | meddlesome 爱管闲事的 | hypocrisy 伪善

3. (促进)分泌的：secretion分泌(作用分泌物 | secretive(促进)分泌的 | secretogogue促分泌素

1. 深藏不露的;讳莫如深的
    If you are secretive, you like to have secrets and to keep your knowledge, feelings, or intentions hidden.

secretive

    e.g. 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。
    e.g. ...the secretive world of spying.
           不为人知的间谍界

1. inclined to secrecy or reticence about divulging information

    e.g. although they knew her whereabouts her friends kept close about it

    Synonym: closecloselippedclosemouthedtightlipped