刻苦

He possesses an assiduous work ethic, always putting in long hours to achieve his goals.
他有着勤奋的工作态度，总是长时间工作以实现目标。
The student's assiduity in studying paid off when she aced the exams.
学生在学习上的勤奋终于在考试中得到了回报。
She displayed assiduity in her research, meticulously examining every source.
她在研究中表现出严谨的态度，仔细检查每一个资料来源。
His assiduity in practicing piano has led to significant improvement.
他在钢琴练习上的勤勉使他的技艺有了显著提升。
The coach praised the athlete's assiduity, noting her consistent training routine.
教练赞扬运动员的勤奋，提到她一贯的训练模式。
Assiduity is crucial for mastering a foreign language; it takes time and dedication.
掌握一门外语需要勤勉，这需要时间和投入。
The gardener's assiduity in nurturing the plants resulted in a lush garden.
园丁对植物的精心照料使得花园繁花似锦。
Her assiduity in maintaining a healthy lifestyle has inspired many around her.
她保持健康生活方式的执着激励了身边许多人。
With assiduity, they worked tirelessly to meet the project deadline.
他们凭借勤奋，毫不懈怠地努力以期按时完成项目。
The teacher's assiduity in preparing lesson plans ensured a well-structured curriculum.
教师在备课方面的勤奋确保了课程结构严谨。