n.鑰匙孔；（籃球）罰球區(qū)

adj.內(nèi)幕的；偷偷打聽的

His eyes were glued to the keyhole. 他的眼睛緊貼在鑰匙孔上。

Every age has a keyhole to which its eye is pasted. 每個(gè)時(shí)代都有一個(gè)鑰匙孔,通過它可以張望世界。

We know that he is a keyhole investigator. 我們曉得他是個(gè)暗地打聽的調(diào)查人員。