The author wanted to help students who had difficulty reading because they did not know idioms and phrasal verbs that have more expanded meanings in the meaning of words. By analyzing the CSAT, academic performance evaluation, mock exams, and ebs textbooks over the past 10 years, we have organized idioms (phrasal verbs, idioms, collocations) and vocabulary that are frequently presented. Based on 1312 idioms, as if drawing a mind map, synonyms, derivatives, and related words were organized to efficiently memorize and expand vocabulary.
