개선improvement 개혁reform; reformation 회개repentance; penitence 개가woman's remarriage 개각cabinet reshuffle; cabinet shake-up 개과천선reforming one’s character; mending one´s ways 개량improvement 개량종improved breed 개량형improved model 개량화improvement

최선the best 개선improvement 최선책the best plan 친선friendship; amity 개과천선reforming one’s character; mending one´s ways 개선책corrective measure 권선징악encouraging good and punishing evil 다다익선the more, the better 독선self-righteousness 독선적self-righteousness

안내introduction 안내문letter of notice; notice; introduction 안내인guide; docent; receptionist 계획안schedule; plan; blueprint 답안answer; correct answer; solution 답안지answer sheet; answer paper 방안way; measure 안내견guide dog 안내서handbook 안내소information desk; information booth