【英文单词】:keyhole
n. 钥匙孔;(篮球)罚球区 adj. 内幕的;偷偷打听的
His eyes were glued to the keyhole.
他的眼睛紧贴在钥匙孔上。
There is one keyhole and about a zillion keys.
这里只有一个钥匙孔,却有无数把钥匙。
Every age has a keyhole to which its eye is pasted.
每个时代都有一个钥匙孔,通过它可以张望世界。
We know that he is a keyhole investigator.
我们晓得他是个暗地打听的调查人员。