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undetected
01
未被发现
not discovered, noticed, or detected, often referring to something that was searched or looked for
例子
The double agent played a crucial role in espionage, providing valuable information to both sides while remaining undetected.
The spy stealthily stole away from the enemy base, ensuring they went undetected.
They exchanged clandestine messages using encrypted codes to ensure their communication remained undetected.
In the coming years, technology advancements will make it harder for funny business to go undetected.
