英语语法分析

I was dumbstruck by its price of 550 dollars.

一看那价钱，目瞪口呆：550美元。

I was momentarily dumbstruck by the profound dumbness of this question.

这个极度愚蠢的问题，立刻让我语塞。

We were dumbstruck. We just couldn't believe our eyes when she appeared.

我们惊呆了。她出现时我们简直不敢相信自己的眼睛。