Difference between Shut Up and Hang Back

SHUT UP vs HANG BACK: ADJECTIVE

I don't believe it!, no way!
Of a person, to stop talking or (of a person or thing) making noise.
To put (an object) in a secure enclosed place.
To enclose (a person, animal or thing) in a room or other place so that it cannot leave.
To terminate (a business).
To close (a building) so that no one can enter.
Place in a place where something cannot be removed or someone cannot escape
Cause to be quiet or not talk
Refuse to talk or stop talking; fall silent

Button up, Belt up, Dummy up, Lock away, Hush up, Still, Lock, Hush, Silence, Quieten, Put away, Close up, Lock in, Lock up, Be quiet

Wherret, Concentrate on, Mammer, Sloomy, Hang about, Score off, Waitingly, Drumble, Belate, Chicken out, Blurt out, Drop behind, Get behind, Trail, Drag

Confined, Lock away, Hush up, Dummy up, Clam up, Button up, Belt up, Still, Lock, Hush, Silence, Quieten, Close up, Lock in, Lock up

Blow over, Uphang, Wherret, Concentrate on, Mammer, Sloomy, Hang about, Score off, Waitingly, Drumble, Belate, Chicken out, Blurt out, Trail, Drag

They must either put up or shut up.
His favorite sayings, back up, drop it, shut up.
Russia tells BRD, US, put up or shut up.
You told me to put up or shut up.
She shelf boston put up or shut up reficar.
The three marks of a good preachers are these: He stands up, speaks up, and knows when to shut up!
Saudi Arabia is a totalitarian state where my daughters are locked up, wrapped up and shut up.
Shut up, shut up, and take everything, disembodied code voice, take everything!
Poor women in psychological research: Shut up and shut out.
Shut up, dammit, all of you just shut UP!

When in doubt, hang back, copy what everyone else does, and go left for the first one.
But the law requires them to hang back just the same.
This has helped to bolster overall demand for commercial property even as domestic investors hang back.
You cannot hang back from the fray and get a good photograph.
Pham blustered, and forced himself to hang back in seeming impotence.
Hang back and shred the air with razor sharp magical shards.
Hang back and wait for your teammates to go down.
Not one to hang back in the past relationship wise.
I probably have to hang back," Walters responds.".
Hesitate, vacillate, waver, falter, demur, shrink, hang back, shrink back, hang fire, be in suspense.