dumbfound造句 1 He was dumbfounded by the allegations. 2 She was completely dumbfounded by the news. 3 We were completely dumbfounded by her rudeness. 4 He was completely dumbfounded by the incident. 5 This suggestion dumbfounded Joe. 6 I stood there dumbfounded. 7 I've seen more than a few hives throwing off a swarm, and never has one failed to transfix me utterly, or to dumbfound everyone else within sight of it.