ıntensely, vigorously, with as much effort as one can supply

listen to the pronunciation of ıntensely, vigorously, with as much effort as one can supply
Английский Язык - Английский Язык

Определение ıntensely, vigorously, with as much effort as one can supply в Английский Язык Английский Язык словарь

Intensely, vigorously, with as much effort as one can supply.
for all one is worth

You should see him out there in the snow, shoveling for all he's worth.