N-UNCOUNT
暗中行动;偷偷摸摸;鬼鬼祟祟
If you use stealth when you do something, you do it quietly and carefully so that no one will notice what you are doing.
例句
He claimed Tony Blair is trying to get us into the euro by stealth...
他声称托尼·布莱尔正试图神不知鬼不觉地让我们加入欧元体系。
Both sides advanced by stealth.
双方都暗中向前推进。