His dumbfounded expression caught the attention of the other negotiator.

他目瞪口呆的表情引起了另一位谈判者的注意。

The dumbfounded young man understood the scam in an instant.

这个年轻人十分惊讶，瞬间明白了这个骗局。

The dumbfounded look on the young man's face revealed his innermost thoughts.

年轻人脸上吃惊的表情流露出他内心深处的想法。

I stood there dumbfounded.

我目瞪口呆的站在那儿。

The news left her dumbfounded.

这消息把她惊呆了。

This suggestion dumbfounded Joe.

这个建议使乔伊惊呆了。

His reply dumbfounded me.

他的回答使我哑然。

My wife just stood there dumbfounded like a blockhead, forgetting even to help my mother up.

我的妻子站在那儿，跟个傻子一般，连帮妈妈站起来都忘了。