undetected
柯林斯词典
1. ADJ If you are undetected or if you do something undetected, people do not find out where you are or what you are doing. 未被发现的
The spy ring had a fifth member as yet still undetected. 特务团伙的第五名成员仍未被发现。
They managed to get away from the coast undetected. 他们设法了离开海岸，并未被人发现。
返回 undetected