하기로 결심하다
Use a verb stem before -기로 결심하다 to say that you decided to do something. It is a very reusable pattern for firm decisions. Example: 저는 축구를 더 열심히 연습하기로 결심했어요. — I decided to practice soccer more.
저는 축구를 더 열심히 연습하기로 결심했어요.
I decided to practice soccer more.
