go the extra mile
take it to the next level
go out of one's way
effort
go to the trouble
break a sweat
at pains
go to extraordinary lengths
enhance
go to the wall
dead set
deepen
baby step
do one's utmost
struggle
fight
bid
with difficulty
give it some welly
adjuvate
accompletive
strivingly
hustle
possible
lay to
ettle
assay
make a meal of
up the ante
attempt
bear down
seek
try
crank the handle
essay
work on
work at
bust a nut
advance
hard-fought
harden
beaver
indurate
bust one's balls
beaver away
put in the work
hang
go to great lengths
paint the wagon
put a shift in