百炼成钢 bǎi liàn chéng gāng

DEFINITIONS

  1. to be tempered into a steel

CHARACTERS

百 bǎi
HSK 2
one hundred; numerous, many
炼 liàn
HSK 3
smelt, refine; distill, condense
成 chéng
HSK 3
completed, finished, fixed
钢 gāng
HSK 4
steel; hard, strong, tough