Meanings1heartA true and sincere attitude of making one's best efforts.Written Forms정성Hangul精誠HanjaExamples from Lessons (3)정성을 다해 포장해 드리겠습니다.I will package them with the utmost care.Read the Lesson 음식은 정성으로 만드는 법이니까요.After all, food is meant to be made with care.Read the Lesson 정성을 담아 준비해 주셔서 제가 먼저 잘 먹겠습니다.Since you prepared it with such care and sincerity, I will gratefully eat first.Read the Lesson Grammar in These Examples을/를Level 1Object marker-(으)로Level 2Direction/means particle