铁了心

铁了心

铁了心[tiě le xīn]

词典resolve to do sth. in desperation：铁了心。

词典be determined in one's effort：铁了心。

词典be unshakable in one's determination：铁心；铁了心。

铁了心[tiě le xīn]

resolve to do sth. in desperation; be determined in one's effort; be unshakable in one's determination