It describes people who never feel full and constantly experience a sense of hunger.

它描述的是那些永远感觉不到饱、经常有饥饿感的人。

I was not in love as yet, but I was in love with love; and, from a hidden hunger, I hated myself for not feeling more intensely a sense of hunger.

我还没有恋爱， 但我已经爱上了爱情；而且，出于一种隐性的饥饿， 我恨自己没有感受到更强烈的饥饿感。