张口结舌 (張口結舌) zhāng kǒu jié shé

zhāng kǒu jié shé set phrase agape and tongue-tied; at a loss for words; gaping and speechless
Domain: Idiom 成语
Notes: (CC-CEDICT '張口結舌'; Guoyu '張口結舌'; Mathews 1931 '張口結舌', p. 20)