1610s, from Middle French conscientieux (16c.; Modern French consciencieux), from Medieval Latin conscientiosus, from conscientia (see conscience). Related: Conscientiously; conscientiousness.
权威例句
1. He was quiet, conscientious, a bit of a plodder.
他做事闷声不响,小心谨慎,有点死气沉沉的。
2. Virginia was still struggling to be a conscientious and dedicated mother.
弗吉尼娅还在尽力成为一位勤勤恳恳、全心奉献的母亲。
3. The conscientious researcher is careful to avoid up the pole and omission.
那位一丝不苟的研究人员总是小心谨慎地避免错误或疏漏.
4. He is a conscientious man and knows his job.
他很认真负责,也很懂行.
5. He is very conscientious in the performance of his duties.