恐高用英语可以翻译为"acrophobia"。这个词来自希腊语，"acro"意思是"高处"，"phobia"意思是"恐惧症"。

例句：

I have a fear of heights and suffer from acrophobia. 我有恐高症。

Acrophobia can make it difficult for people to enjoy activities like hiking or skydiving. 恐高症可能会让人们难以喜欢远足或跳伞这样的活动。

It's common for people with acrophobia to avoid tall buildings or other high places. 对于恐高症患者来说，避开高楼大厦或其他高处是很常见的。