become stronger
강해지고 싶다
I want to become stronger.
— 극장판 귀멸의 칼날: 무한열차편 (2020)
왜 강해지고 싶어?
Why do you want to become strong?
— 극장판 귀멸의 칼날: 무한성편 (2025)
강해지고 싶지 않았어?
Didn't you want to become stronger?