百炼成钢的英文缩写为be toughened and hardened into steel或be tempered into steel。
双语例句
1、年轻人只有通过实际锻炼才能百炼成钢。
Only by taking part in practice can the young people be toughened and hardened into steel.
2、唯有努力，向名校进军百炼成钢唱出青春无悔
Only effort to enter the elite youth tempered into a steel sing no regrets
