"지훈아! 학교에 가!"
Translation:Jihun! Go to school!
-아 (after consonants) and -야 (after vowels) are used to create the casual vocative forms of names and pronouns for the purpose of addressing someone.
Ex: Kevin아! 네 방을로 가거라!
the pronounciation of the record is most of time deformed instead of shihoona is sayd shifoona. they should have found a person who has a better capacity to speak clear and slowlier the words in order we can easier learn.