“磨炼”的英语？

“磨炼”的近义词/同义词：锻炼, 锤炼, 琢磨, 砥砺。...

你知道, 即使经理也受到过艰苦的磨炼.Even the director has gone through the mill, you know.逆境是最好的磨炼.Adversity is a good discipline.艰苦的环境能磨炼人的意志.Difficult circumstances can temper one's will....