铁了心
Traditional form:
鐵了心
Pinyin (reading):
tiělexīn
Definitions:
- determined
- unshakable
Characters:
- 铁 - iron; strong, solid, firm
- 了 - clear; to finish; particle of completed action
- 心 - heart; mind; soul
Traditional characters:
鐵了心
tiělexīn