회개: 회개 [悔改] repentance; penitence. ~하다 repent ; renounce one's former sins; be[become] penitent; reform oneself; turn over a new leaf. 잘못[비행]을 ~하다 acknowledge one's mistakes[misdeeds] and reform. ~하면 죄도
개의: 개의 [介意] ~하다 mind; care about; be concerned about; trouble[concern] oneself about; worry[bother] about. 비용을 ~치 않고 regardless of expense. 남의 생각은 ~치 않고 no matter what other people (may) think. (조금도) ~치
사회개량: 사회 개량 [社會改良] social reform.▷ 사회 개량가 a social reformer.