1.His denial that he had witnessed the accident dumbfounded me.
他否认曾亲这一事故的发生把我呆了。
2.Don't tell me without a doubt this dumbfound luck has all run out.
别确信疑地告诉我那种令人瞪口呆的运气都用光了。
3.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.