出处：按学科分类—语言、文字 中国对外翻译出版公司《汉英成语词典》第287页（204字）
比喻必须经过艰苦锻炼，才能成为坚强或有作为的人，例年轻人要经得起挫折，才能百炼成钢。
Only by steeling themselves against adversities can young people be tempered to meet what is in store for them．