上火的英语怎么说

"上火"的英语是"to have heat"或"to be hot in the body"。这个说法源于中医认为"火"是人体健康的重要组成部分，如果人体内的"火"过多，就会导致身体不适。

例句：

I'm feeling hot in the body, I think I might have heat.
I've been eating too many spicy foods lately, now I'm hot in the body.
I need to cool down, I'm feeling too hot in the body.