Making good grades requires studying hard.
You should exercise more.
You yourself should try harder.
You should study more.
You must take more exercise.
You should bring out more of your should strength.
In the long run, you will have to practise more.
You must get some more muscle.
Make more efforts.
You should get some more experience.
You should be nicer.
You need to believe in yourself more.
You need more practice.
Don't slip into self‐complacency and step up your efforts.
You must work more.