篳門閨竇 [筚门闺窦]

Jyutping bat1 mun4 gwai1 dau6
Pinyin bì mén guī dòu

Definitions (CC-CEDICT)
  1. wicker door, hole window (idiom); fig. wretched hovel
  2. living in poverty
Definitions (Wiktionary)
  1. phrase, idiomatic
    wretched hovel; living in poverty; poverty-stricken