喐身喐勢 [－－－势]

Jyutping juk1 san1 juk1 sai3
Pinyin yù shēn yù shì

Definitions (CC-CANTO)
  1. body keep moving or shaking rudely (spoken)
Definitions (Wiktionary)
  1. phrase, Cantonese, idiomatic, of a person
    to keep moving and be unable to sit or stand still; to be moving one's body constantly
Definitions (Kaifangcidian)
  1. 站不定
  2. 動個不停 – 动个不停
  3. 身子動來動去 – 身子动来动去