在英语中，食欲通常被翻译为"appetite"，例如：

I don't have much of an appetite today.

My appetite is back now that I'm feeling better.

The smell of food made my mouth water and increased my appetite.

"Appetite" 源自拉丁语"appetitus"，意为"渴望"或"欲望"，后来在英语中开始指食欲。