pull out all the stops
US /pʊl aʊt ɔl ðə stɑps/
UK /pʊl aʊt ɔl ðə stɑps/

1.
全力以赴, 竭盡全力
to make a very great effort to achieve something, using all available resources
:
•
The team decided to pull out all the stops for the championship game.
球隊決定為冠軍賽全力以赴。
•
They pulled out all the stops to make the event a success.
他們竭盡全力使活動取得成功。