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藏匿之所；隱避之處；（尤指）獨居處
Someone's lair is the particular room or hiding place that they go to, especially when they want to get away from other people.
例句
Green recounts how he once went to see Bremner in his lair...
格林講述他有一次去布雷姆納隱居之處看他的經歷。
The village was once a pirates' lair.
這個村子曾一度是海盜藏匿之處。