For the accomplishment of this essay, Liaoyuan has totally spent half month, it is perceived his effort and conscientious study.

写作此文，燎原耗时整整半个月，可见他的用心与治学的严谨。

youdao

Exercises in mathematics are a "thinking gymnastics" that can help the students to form a good thinking habit and conscientious study style.

解数学题是做“思维体操” ，能使学生形成良好的思维习惯及一丝不苟的学习作风；

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In the face of the fierce social environment day by day of competition, all of us all feel the pressure of the competition and importance of conscientious study.

面对竞争日趋激烈的社会环境，我们都感到竞争带来的压力和自觉学习的重要性。

youdao

Mr. Kampelman was a conscientious objector during World War II and did alternate service by participating in a government-funded starvation study that saw him drop in weight to 100 pounds from 160.

WSJ: Max Kampelman, Cold War Arms Negotiator, Dies at 92