他在捕鱼用英文怎么说

"He is fishing" 是表示 "他在捕鱼" 的英语表达。

"Fishing" 是英语单词 "fish" 的动名词形式，意思是 "钓鱼"。它来自古英语 "fiscian"，最初的意思是 "捕鱼"。

例句：

He's been fishing all day. (他整天都在钓鱼。)
I love to go fishing on the weekends. (我喜欢在周末去钓鱼。)
I'm going fishing with my friends this afternoon. (今天下午我要和朋友一起钓鱼。)