I'm really hungry.

我真是饿了。

《牛津词典》

Toad now knew well that he had not been really hungry before.

托德现在才明白，他以前从未真正感受过饥饿。

youdao

By the time we had put up the tent, everyone was really hungry.

当我们搭好帐篷的时候，大家真的都饿了。

youdao

If the man is really hungry, his eyes might be bigger than his stomach.

VOA: special.2009.09.06

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

It's already been one day and I'm really, really hungry.

现在已经过去一天了，我真是饿得前胸贴后背了。

I'm frustrated 实战 - SpeakingMax英语口语达人

If you were really hungry, you could gnaw around the edges, but the middle was hopeless.

NPR: Might Airlines Banish Frozen Sandwiches?

We usually take a break at a Panera Bread bakery about an hour into Pennsylvania, but our daughter was napping and we weren't really hungry.

WSJ: Review: iPhone Google Maps lags Android version

It really is a hungry time for birdlife.

BBC: Farmers 'key to halting bird decline'