What does it mean to temper your iron will and express your ambition and pride?

It is a motivational slogan. Tempering the iron will, displaying ambitions and heroic spirit means being tempered in the military camp, honing the iron will, sweating, writing youth, and shouldering the responsibility of protecting the home and the country, which is an incentive for soldiers. Refinement refers to the entire process from the observation of life, the accumulation of materials to the formation of the entire work.