dumfound是什么意思

vt.使说不出话来

1、The sudden announcement of his resignation dumfounded everyone in the office.
他突然宣布辞职，使办公室里的每个人都惊讶不已。
2、I was completely dumfounded by the outcome of the experiment. I never expected that result.
实验的结果让我完全困惑了，我从未预料到那个结果。

使惊讶；使困惑