Definition of for all someone is worth in English:

for all someone is worth

phrase

informal
  • As energetically or enthusiastically as someone can.

    ‘he thumps the drums for all he's worth’
    • ‘Let him not worry if he cannot avoid killing the snake, but try for all he is worth to overcome the anger and ill-will of men by his patient endeavour as a first step towards cultivating universal love.’
    • ‘Haircuts have always been something my son is extremely resistive to that he tends to fight for all he is worth.’
    • ‘Just when things look darkest, there is a glimmer of hope, and the good guy decides he is going to fight for all he is worth to get what he wants.’