wherewithal
go all out
row to hoe
give full measure
beaver away
give one's best
metatask
do one's best
task
taskset
taskable
brainspace
put in the work
manual
nonroutine
technique
bit between one's teeth
to-do
get the job done
backbreaker
heavy lifting
tasklike
can do this all day
exercise
hard-fought
example
go to work
over the river and through the woods
ropes
bog in
skillful
endurance contest
see daylight
have a mountain to climb
marathon
effortfulness
endeavor
endeavour
hack job
strive
multitasking
go about
deft-handedness
carry the mail
grind
on a mission