bolthole

1.found a bolthole in the fencing.

在篱笆上发现了漏洞

2.Although Havana had its darker side as a mafia bolthole, it was also a glittering cultural and commercial centre.

尽管哈瓦那更黑暗的面是为黑帮提供藏身之所，然样是烂的文化与商业之都。