Vocabulary videos to teach idioms[숙어를 가르칠 영상] Idioms and idiomatic expressions are one area of English that students often find difficult.[숙어와 숙어적 표현은 학생들이 종종 어렵게 생각하는 영어의 한 분야이다.] There are some excellent, very short, idiom videos on the internet that are great fillers for short breaks in a lesson.[수..