diligentadj.勤奋的；用功的diligent and thrifty勤俭节约Diligent in teaching教不倦diligent and hardworking勤勤恳恳， 埋头苦干diligent and eager to learn勤勉好学diligent work for government勤政Diligent in pursuing their goals在追求其目标方面是勤奋的Diligent work with team spirit.工作勤奋，有团队合作精神。Diligent and can work overtime.工作勤奋，能经常加班。Diligently new branches and leaves在努力枝繁叶茂