经受艰难困苦的磨练 go through hardships and tribulations
艰难困苦磨练
Trials and tribulations
以上为机器翻译结果，长、整句建议使用 人工翻译 。
如果说这世上真有“点石成金”的话，那就要历经艰难困苦的磨练，这是人生的至宝！
If there is really such a thing as "Touch a stone and turn it to gold" in this world, it comes only through hardships and difficulties, which is life's greatest treasure!
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