鐵杵成針 tiě chǔ chéng zhēn

DEFINITIONS

  1. see 磨杵成針|磨杵成针[mo2 chu3 cheng2 zhen1]

CHARACTERS

鐵 tiě iron; strong, solid, firm
杵 chǔ pestle; baton used beat clothes
成 chéng completed, finished, fixed
針 zhēn needle; pin; tack; acupuncture