在革命洪炉中经受锻炼: be tempered in the mighty furnace of revolution
Example Sentences:
1.
Military camp is the cradle of heroes . school is the melting pot of youth . sangha is a pureland to cultivate sages . mind is a temple to cultivate oneself 军营是孕育英雄的摇篮,学校是陶冶青年的洪炉,僧团是培养圣贤的净土,内心是造就自己的道场。