do one's damnedest

do one's darnedest

To do one's utmost; to make every effort or to try every possible appr …

do one's utmost

To make the greatest possible effort.

make every effort

To do one's utmost

give one's all

To lose one's life while making the utmost effort with full commitment …

empty the tank

To make the utmost effort; to contribute to the absolute limit of one' …

play hardball

To use every means possible to achieve a goal, especially in disregard …