Undiscoverable
a. 无法发现(或发觉)的, 不能公诸于世的
🗣️ 情景例句
Leave well enough alone.
得过且过，见好就收。
I've already read that book.
我已经读了那本书。
I'm sorry, Lucy.I'm afraid that I can't get up.
对不起，露西，恐怕我站不起来。