English idioms can confuse us not familiar with it. Because expressions not conveyed out by directly. We may know the meaning of every word in the vocabulary, idiom, but cannot understand the meaning of the phrase. hese sayings allows the person saying them to really emphasize how they feel. For example: I'm so hungry I could eat a horse. No one could actually eat a whole horse in one sitting, but the person saying this idiom has been able to express that they are really, really, really hungry.