conscientiousness
🇺🇸
/ˌkɑːnʃiˈenʃəsnəs/
🇬🇧
/ˌkɒnʃiˈenʃəsnəs/
Being very careful and thorough in doing one's work or duties.
The teacher praised the student for their conscientiousness in completing the assignment.
老师赞扬了学生在完成作业时的认真负责。