One of the keys to speaking like an native speakers is the ability to use and understand informal and casual expressions, or idioms. American English is full of slangs, idioms and expressions. You won't learn these idioms in a standard textbook. But you will hear them all the time in everyday conversations and movies.
Idioms and Expressions can add color to the language. Learn these common idioms and your speech will be less awkward, less foreign. You'll also understand more of what you read or hear. Well often an English student tries to translate idioms word-for-word, or literally. If you do this, you can end up asking, "What could this possibly mean?" This is why expressions and idioms are hard: they work as groups of words, not as individual words.
Well If you really always translate each word on its own, you'll miss the real meaning and in many cases end up with nonsense. well let me give you an example here, let's take one of the idioms presented in this course: (out of this world) This idiom and phrase is often used to describe yummy food right.
When using these expressions, keep in mind that their word order and structure are often not flexible. In other words, you will need to get the word order exactly right. Here's one great example of what I mean. Recently, I helped a student with his English homework. He then told me, "You've got a golden heart." He was trying to speak idiomatic English, but the correct expression is: "You've got a heart of gold".
Actually, here you can finally Add idioms and many expressions to your speech and writing just as you add vocabulary. You might find it helpful to write all of the expressions in this course down on notecards and review them whenever you have a free time.
More Info:
http://skillshare.com/classes/Improve-your-Spoken-English-Speak-English-Fluently-with-Common-Phrases-and-Expressions/840304501