N-COUNT(可数名词) A lair is a place where a wild animal lives, usually a place which is underground or well-hidden. 兽穴; 兽窝 [usu with poss]
...a fox's lair.
...一个狐狸窝。
N-COUNT(可数名词) Someone's lair is the particular room or hiding place that they go to, especially when they want to get away from other people. 藏匿之所; 隐避之处 [非正式][usu with poss]
The village was once a pirates' lair.
这个村子曾一度是海盗藏匿之处。