囚首垢面 (cau4 sau2 gau3 min6) — it describes one's face is as dirty as a prisoner's due to not paying attention to hygiene and grooming in Cantonese
cauˎ₄囚sauˊ²首gau˗₃垢minˍ₆面Mandarin Pinyin: qiu2 shou3 gou4 mian4
Meaning of 囚首垢面
nounit describes one's face is as dirty as a prisoner's due to not paying attention to hygiene and grooming