If you are secretive, you like to have secrets and to keep your knowledge, feelings, or intentions hidden.
例句
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
英汉词典释义
adj.
遮遮掩掩的,守口如瓶的,秘密的
secretive about his private life对他自己的私生活守口如瓶Everybody is being secretive:there’s something cooking.每个人都鬼鬼祟祟的,一定出了什么事情。Her secretive manner had made me curious.她神秘的举止使我感到好奇。
英英词典释义
Adjective
1. inclined to secrecy or reticence about divulging information;
"although they knew her whereabouts her friends kept close about it"