I'm so hungry that I could eat a horse.

我真是饿扁了，我现在可以吃下一匹马。

so that 实战 - SpeakingMax英语口语达人

It means that we want to eat when there's food around, and it doesn't matter so much whether we're really hungry.

这就意味着只要周围有食物我们就想吃,不管我们是不是真的饿了

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

Now it could be that you're hungry but you're working hard, and so you may not get your food for an hour until after you're hungry.

现在你很饿,但是你必须努力工作,直到一小时后才能吃东西

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

You just come away feeling really hungry, so yeah,

你一路走过，就会感觉很饿，

宣传美食应用程序 - SpeakingMax英语口语达人