張口結舌 zhāng kǒu jié shé

DEFINITIONS

  1. agape and tongue-tied (idiom); at a loss for words
  2. gaping and speechless

CHARACTERS

張 zhāng stretch, extend, expand; sheet
口 kǒu
HSK 3
mouth; open end; entrance, gate
結 jié knot, tie; join, connect
舌 shé
HSK 6
tongue; clapper of bell; KangXi radical 135