warren
/ˈwɔrən; ?@ ˈwɔ:rən; `wɔrən/ n
1 area of land with many burrows in which rabbits live and breed 兔子繁殖场; 养兔场.
2 (fig 比喻) (usu over-populated) building or district with many narrow passages, where it is difficult to find one's way （通常为过分拥挤的）多狭窄通道易迷路的建筑或地区
lost in a warren of narrow streets 在纵横交错的狭窄街道上迷了路.