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Jyutping paai3 gwat1 zing1
Pinyin pái gǔ jīng

Definitions (粵典–words.hk)
  1. 名詞
    瘦削​、​瘦猛​猛​、​冇​乜​肉​嘅​人
    weakling, skinny person

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Jyutping paai4 gwat1 zing1
Pinyin pái gǔ jīng

Definitions (CC-CEDICT)
  1. (jocular) anorexic girl; a bag of bones
Definitions (CC-CANTO)
  1. noun;skinny person
Definitions (Wiktionary)
  1. noun, Cantonese
    scrawny person; weakling