Pull out all the stops
Definition 1 of 1
Pro Tip 1/3Maximum Effort
Used to describe an attempt to do something with as much effort and resources as possible. 
She pulled out all the stops for her final project presentation.
Pro Tip 2/3Emotional Intensity
The phrase can imply strong emotions or enthusiasm towards the goal. 
He pulled out all the stops to plan the perfect surprise party.
Pro Tip 3/3Not Literal
This is an idiomatic expression and doesn't involve pulling or stopping anything physically. 
The company pulled out all the stops in their new advertising campaign.