Expressing encouragement

Expressing encouragement
Go on; you can do it!
Just one more.
Just a little harder.
 Hang in there.
Stick with it.
Stay at it.
Go for it.
Give it a try.
 Give it a shot.
A shot=a try
Give it your best shot.
Give it your best.
Keep at it.
Keep your nose to the grindstone, (idiomatic)
= Keep bent over your work= Keep working hard.
 Hang in there. (informal)
Hang tough. (slang)
Stick it out. (informal)