我昨天去爬山了用英文怎么说

"I went hiking yesterday" 是用英语表达 "我昨天去爬山了" 的方法。

"Hiking" 是英语单词，意思是徒步旅行，在这里用来表示爬山。

例句：

I went hiking in the mountains yesterday. 我昨天去山上徒步旅行了。
Have you been hiking recently? 你最近爬山了吗？
Hiking is a great way to enjoy nature. 爬山是享受大自然的好方法。