Dumfounded, to fill with astonishment and perplexity; confound.
目瞪口呆充满惊讶与不解，迷惑。
2
At that moment, I was so dumfounded that my only reaction was to slam the door and rush out.
那时，我已出离惊讶和恼怒，我唯一的反映就是摔门而去。
3
But although they had faith in the words of him whom they knew to be truthful, the ignorance that as yet occupied their minds so enveloped their faith in darkness that they were almost dumfounded.