Idiom
give someone a free hand (with something)
Theme: FREEDOM
to give someone complete control over something.They gave me a free hand with the project.I feel proud that they gave me a free hand. That means that they trust my judgment.
Idiom
give someone a free handgive (someone) a free hand
to allow someone to do whatever they think is necessary in a particular situation.His manager had given him a free hand to make whatever changes he felt necessary.
(often + to do something)