How do you study English? We think one of the best ways to memorize countless English expressions is to learn them day by day! English idioms & often-used expressions greatly help you understand and express yourself. The problem is … well there are too many. You might ask why English speaking people create so many expressions? If you look closer you will probably notice you are already using idioms so many times unconsciously every day in your mother tongue! Idioms and expressions are a natural part of any language used by people around the world.