dar carta branca a alguém give someone a free hand

Creator:	Marcelo Gonçalves
Language pair:	Portuguese to English
Discipline:	-
Definition / notes:	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) http://idioms.thefreedictionary.com/give+a+free+hand
URL:	-