"哇"在英语中被称为"wow"，这是一个感叹词，表示惊讶、兴奋或赞叹。它来自古英语"wo"和"we"，后来在中世纪时被缩写为"wow"。

下面是一些使用"wow"的英文例句：

Wow, that was amazing! (哇，太棒了！)
I can't bepeve it! Wow! (我简直不敢相信！哇！)
Wow, I didn't expect that at all. (哇，我完全没想到。)

这个词还可以用来形容一些很棒的事情：

That movie was a wow. (那部电影真棒。)
That concert was a wow. (那场音乐会真棒。)