Abstract: Understanding and mastering idioms in the written and the spoken communication are considered as a sign towards proficiency. Idioms are still unturned stone in their way, as being amongst other issues, towards proficiency. However, it is noticed clearly that there is not much researches done in this respect.Idioms give beauty to language butconfusing to language learners. In fact, the level of command of idioms serves as an important indicator of L2 proficiency. Different techniques have been offeredto facilitate L2 learner's acquisition of idioms, however, there are also various factors that influence the learning of idiomatic expression. One of the main blocks of L2 idiom learning is that idioms are often unpredictable in meaning, because their meanings cannot always be derived from the literal meanings of the constituent parts. This means that the use of idioms has a great influence in the teaching and learning process of a foreign language, because it could be one of the ways to give students better conditions to improve communicative skill in the daily context. Thus, this paper offers some practical suggestions could be translated into more effective classroom practices.