Dumfounded , to fill with astonishment and perplexity ; confound .
目瞪口呆充满惊讶与不解,迷惑。
THE intelligence with which Lestrade greeted us was so momentous and so unexpected that we were all three fairly dumfounded .
雷斯垂德给我们带来的消息既重要又突然,完全出乎意料之外。我们听了以后,全都惊愕不已,哑口无言。