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Jyutping dyun6 bik1 caan4 wun4
Pinyin duàn bì cán yuán

Definitions (Wiktionary)
  1. phrase, idiomatic
    dilapidated and collapsed walls; ruins of a building
    (syn.) 断壁颓垣, 断垣残壁, 斷垣殘壁, 斷壁頹垣
Definitions (Kaifangcidian)
  1. (沒有對應漢語詞彙)

斷壁殘垣 [断-残-]

Jyutping
Pinyin duàn bì cán yuán

Definitions (CC-CEDICT)
  1. lit. walls reduced to rubble (idiom)
  2. fig. scene of devastation
  3. ruins