儉嘴 [俭－]

Jyutping gim6 zeoi2
Pinyin jiǎn zuǐ

Definitions (Wiktionary)
  1. verb, Hakka
    to avoid certain food (as when one is ill); to be on a diet
    (syn.) 禁喙, 噤喙, 忌口, 戒口, 忌嘴, 忌喙