一篇a précis of a kind of sermon

Students and teachers both encounter problems when students learn English towards a higher level above the basic.Students discover that their English consist of complex idioms clichés and phrases with different meanings in different situations,which makes them hardly gain great progress,even they have exerted themselves.Teachers,also,are so confused with this morass that they can’t tell their students a proper way out.So the author offers solutions to them.He suggests that students should select proper reading matters and listen.Also,he advices that teachers should act as a guide to choose the best way for their students.