1、你进步了! You are doing better now!/ You are better than you were before! /You have made much progress! 2、很棒! Great!/Welldone!/Wonderful/Excellent! 3、干得好。 Good Job. 5、学习无坦途。 There is no royal road to learning. 6、光阴一去不复返。 Lose time is never found again.