Lee Changsoo, a board member of the Korean Association for Public Interpretation and Translation (professor at the Graduate School of Interpretation and Translation, Hankuk University of Foreign Studies) published English Expression Power-up Dictionary: Verbs in Action in November 2020. This book focuses on 36 key verbs that were not fully contained in the previous work, English Expression Power-up Dictionary, and contains abundant examples and conversations that realistically incorporate spoken expressions used every day.

​