go all out
US /ɡoʊ ɔl aʊt/
UK /ɡoʊ ɔl aʊt/
1.
to use all of one's resources or energy to achieve something; to do something with maximum effort
:
•
For their anniversary, they decided to go all out and book a luxury cruise.
•
We need to go all out on this presentation if we want to win the contract.