例句-1: "ever since grandmother died, grandfather has been eating his heart out--he's lost all interest in life and won't even get out of bed to eat."
這個人說：“自從祖母去世后，祖父非常傷心，他對生活失去了一切興趣，都不愿意起床吃飯。”
to eat one's heart out還可以用在另一種場合，也就是半開玩笑地讓別人對你產生妒忌。你聽了下面這個例子就會明白它的意思了。這是一個大學生在對他的要好朋友說話：
例句-2: "hey, pete, you know that girl in the physics class you like so much, the one who won't pay any attention to you? well, eat your heart out, buddy--i'm taking her out for dinner and a movie saturday night."
他說：“喂，彼得，你知道那個和我們一起上物理課的女孩嗎?那個你非常喜歡，但是她從來也沒注意過你的女孩?這下好了，你去傷心去吧，我星期六請她出去吃晚飯、看電影!”
聽了這種話，再好的朋友恐怕也會生氣的。所以，除非你當真把它作為開玩笑，而且肯定對方也把它當做玩笑，否則還是不要叫別人去eat his heart out。
