n.兽穴；集聚地
v.穴居
They lured the bear out of its den. 他们把熊从穴中诱出。
The lion lay asleep in its den. 狮子躺在洞里睡觉。
There is no den in the wide world to hide a rogue. 恶棍没有藏身之地。
He has made his house a den of thieves. 他把自己的家变成了一个贼窝。
The police tracked the thieves to their den. 警察跟踪小偷，直到他们的老窝。
