短语词组短語Be diligent in practice 勤於練習diligent in practice 勤於練習be diligent in 勤於Diligent In Thinking 勤於思考Be diligent in accumulation 勤於積累diligent in sth 做…很勤奮be diligent in action 力行diligent in study 篤學;勤奮好學 返回 diligent in