assiduous
🇺🇸
/əˈsɪdʒuəs/
🇬🇧
/əˈsɪdʒuəs/
adjective
R
very hardworking and careful
The student was assiduous in her studies, always arriving early to class and completing extra assignments.
这个学生在学习上非常勤奋，总是早早到教室并完成额外的作业。
translation
勤奋的