Word참가하다chamgahadaMeaningto participatePart of speechverbPronunciationCourseHardcore KoreanLessonLesson 20Usages of chamgahada대회에 참가하려면 필수 서류를 제출해야 해.daehoee chamgaharyeomyeon pilsu seoryureul jechulhaeya hae.If you want to participate in the competition, you have to submit the required documents.