To build up an enterprise through hard work and perseverance.
艰难困苦地创办事业。
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The founders of the company spent years in 艰苦创业 before it became successful.
Learn the next connected idiom: 艰苦创业 (jiān kǔ chuàng yè) → 业精于勤 (yè jīng yú qín)
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