play one's heart out

例句：Despite Luis Scola playing his heart out, Argentina was really never in this game.

play one's heart out 全力以赴

to eat one's heart out的意思是：非常沉痛和绝望的悲痛。下面的例子是一个朋友在告诉他的朋友关于家里发生的不幸的事： "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." 这个人说：“自从祖母去世后，祖父非常伤心，他对生活失去了一切兴趣，都不愿意起床吃饭。” to eat one's heart out还可以用在另一种场合，也就是半开玩笑地让别人对你产生妒忌。你听了下面这个例子就会明白它的意思了。这是一个大学生在对他的要好朋友说话： "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." 他说：“喂，彼得，你知道那个和我们一起上物理课的女孩吗？那个你非常喜欢，但是她从来也没注意过你的女孩？这下好了，你去伤心去吧，我星期六请她出去吃晚饭、看电影！” to eat one's heart out，这是指悲痛，或半开玩笑地让别人对你产生妒忌心理。