燕子窠 [－－－]

Jyutping jin3 zi2 fo1
Pinyin yàn zi kē

Definitions (Wiktionary)
  1. noun, Gan, Pingxiang
    swallow nest
  2. noun, Wu, dated, in Shanghai
    opium den
    (syn.) 鴉片館, 烟馆, 鴉片窟, 煙館, 鸦片馆, 鸦片窟