牛津電影裡 75%
(為秘密活動)偽裝著,裝扮著,冒名頂替
pretending to be sb else in order to do sth secretly
We'll keep Williams under cover, until we can break the story...
編輯釋義電影裡 25%
暗中;在掩護下;隱蔽著
hidden or acting in secret, shielded by darkness or by staying out of sight
load the cash under cover.
釋義來自《牛津高階英漢雙解詞典》第 9 版