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Jyutping po3 laan6 bat1 ham1
Pinyin pò làn bù kān

Definitions (Wiktionary)
  1. phrase, idiomatic
    so tattered and torn (especially said of clothing) that it is totally unacceptable to present oneself in public in such a state
Examples (粵典–words.hk)
  1. Cantonese
    破烂不堪
    破爛不堪
    po3 laan6 bat1 ham1
    • extremely broken/ragged
  2. Cantonese
    一间破烂不堪嘅旧屋
    一間破爛不堪嘅舊屋
    • a dilapidated old house