結舌 [结－]

Jyutping git3 sit3
Pinyin jié shé

Definitions (CC-CEDICT)
  1. tongue-tied
  2. unable to speak (out of surprise, embarrassment etc)
Definitions (Wiktionary)
  1. verb, Hakka
    to stammer; to stutter
  2. verb
    to be tongue-tied; to be at a loss for words