I've been learning English for a long time and one of The most difficult part in studying for me is the Phrasal verbs. To those who haven't come upon that stuff - The phrasal verbs is the sum "Verb+one or two prepositions" for instance : to show - means to display and to show off means to boast
I would know how to easely learn the meanings of such verbs. There may be a system or something else?