Undiscoverable
a. 无法发现(或发觉)的, 不能公诸于世的
🗣️ 情景例句
No one showed the least regard for my feelings.
没有关心我的感受。
I feel guilty because I haven't written her lately.
因为我最近没给她写信，我感觉到有罪。
That's all right.
别客气。