To be conscientious and cautious in work, showing great care and diligence.
兢兢形容小心谨慎；业业畏惧的样子。形容做事谨慎、勤恳。
《诗经·大雅·云汉》兢兢业业，如霆如雷。”
She handled the project with jingjingyeye, ensuring every detail was perfect.
Learn the next connected idiom: 兢兢业业 (jīng jīng yè yè) → 业精于勤 (yè jīng yú qín)
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