君ならもっとうまくできるはずだよの英語

I can do a better job than I am now.

You should be nicer.

You should take better care of yourself.

In the long run, you will have to practise more.

Treat yourself better.

You should take better care of yourself.

You should have been more careful.

I want you to work harder.

Try and do better next time.

I want you to work harder.

Please do your work properly.

You should act more calmly.

You should study harder.

You should be more careful.

You must study more.

Please look after me more.

You need to study more.

I am sure there was a better one.

Please dilute that more.

You should've been more careful.

You will get ever cooler from now.:You will get even more handsome from now.

I want to make you work harder.

You must work more.

You need to practice more.

I expect you to work harder.

Be more proactive.

That's probably what you should do.

It would be quicker if you did it rather than me.

All you have to do is to work harder.

You should try to behave better.