加監 [－监]

Jyutping gaa1 gaam1
Pinyin jiā jiān

Definitions (CC-CANTO)
  1. to have one's prison sentence extended [colloquial]
Definitions (粵典–words.hk)
  1. 動詞
    增長​囚禁​嘅​刑期
    to lose remission; loss of remission