生烏雞 [－乌鸡]

Jyutping saang1 wu1 gai1
Pinyin shēng wū jī

Definitions (CC-CANTO)
  1. black spots appearing on clothing as a result of mold and mildew
Definitions (粵典–words.hk)
  1. 形容詞
    件​衫​上面​有​黑色​一點點​發毛
    (clothing) to grow black spots of mildew or mould