persevering determination to perform a task; "his diligence won him quick promotions"; "frugality and industry are still regarded as virtues"仕事を行う上での辛抱強い決心勤勉さ
例:his diligence won him quick promotions 彼は勤勉なので短期で昇進した
a diligent effort; "it is a job requiring serious application"苦心した努力願い出
conscientiousness in paying proper attention to a task; giving the degree of care required in a given situation任務に適切な注意を払って精励すること勤勉