Daily Chinese Idiom Guessing Game
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.