看到魔术师把大象变没了,观众都目瞪口呆。Kàn dào móshùshī bǎ dàxiàng biàn méi le, guānzhòng dōu mùdèngkǒudāi.Seeing the magician make the elephant vanish, the audience was dumbstruck.
他看到成绩单上的分数,一下子目瞪口呆。Tā kàn dào chéngjìdān shàng de fēnshù, yíxiàzi mùdèngkǒudāi.He saw the score on his report card and was struck dumb.
一进门,我们就被满屋子的气球惊得目瞪口呆。Yí jìn mén, wǒmen jiù bèi mǎn wūzi de qìqiú jīng de mùdèngkǒudāi.As soon as we entered, the room full of balloons left us stunned.