(因惊讶、震惊或困惑而)目瞪口呆的;说不出话的。
/ˈdʌmˌfaʊndɪd/
I was dumbfounded by the news.
我听到这个消息时目瞪口呆。
She stood dumbfounded as the judge announced the unexpected verdict, unable to find a single word.
当法官宣布出乎意料的裁决时,她震惊得说不出一句话,呆立在原地。
来自 dumb(哑的、说不出话的)+ found(find 的过去分词,意为“发现/遇到”)。原意接近“被某事‘发现/撞上’而变得说不出话”,后来固定用来表达因意外、震惊或强烈困惑而一时失语的状态。