covert
Definition
Not openly shown, acknowledged, or undertaken; secretive.
中文 不公开显示、承认或进行的,秘密的。
Example
"The agency conducted covert operations to gather intelligence."
Not openly shown, acknowledged, or undertaken; secretive.
中文 不公开显示、承认或进行的,秘密的。
"The agency conducted covert operations to gather intelligence."