Not touch a hair on (one's) head phrase
To not in any way harm or injure someone.
Mark won't touch a hair on Jessica's head because he loves her.
I offer him a truce. I won't touch a hair on his head if he tells me where my gold is.
"Don't touch a hair on his head, or I'll shoot you", the woman shouted angrily.
Beat someone up
To make one feel extremely upset, hurt or offended
If you do something dangerous or risky, you will get hurt.
To long for something/ to do something
I'm itching to go to a tranquil place of quiet beauty.