It's a saying. I am hungry. I can eat a horse. 为什么不是I can eat a pig. 或是I can eat an elephant?想知道有什么典故没?知道这是习语, 俗语, 惯用语...就得这么说. 想知道的是---这句话的来源、出处或是典故什么的!!!老美用“I can eat a hog.”一定也是觉得“I can eat a horse.”有点让人费解吧?