他被问得张口结舌半天说不出话来: he was stumped by the questions and remained tongue tied for a good while
舌头: 1.(舌)tongue:伸出舌头 put out one's tongue; 缩卷舌头 retract one's tongue;不要向我伸舌头,你这个没规矩的丫头! don't put out your tongue at me, you cheeky girl!2.(活捉来的敌人) an enemy soldier captured for the purpose of