you are so wonderful, i am proud of you! you are my sunshine! with time and patience the leaf of the mulberry becomes satin.（只要功夫深,铁杵磨成针。）
you are my good boy/girl. come on, baby! you are the tops! i believe i can do, i can do you have a flash of wit. great, good, wonderful, super, cool if you do , you will the best. cool!
my sunshine boy! that's marvelous! you did a wonderful job! i'm really impressed by your improvement. don't be shy, just have a try! would you like to have a try?
don't worry! no problem! try again! you are the best one. clever boy/ girl. smart boy/girl. congratulations! good, good ,very good! hurry up!