dumbfound
(also dumfound), v [Tn esp passive 尤用於被动语态]
make (sb) speechless with surprise; astonish 使(某人)受惊而说不出话; 使(某人)惊讶
We were completely dumbfounded by her rudeness. 她粗鲁无礼, 把我们吓呆了.
🗣️ 情景例句
Why, I didn't know that your grandfather was born in Germany.