put the pedal to the metal
all out
go for it
pedal to the metal
balls to the wall
full throttle
strive
reach
strain
get one's ass in gear
with all one's might
full out
dead set
flat chat
flat strap
fourth gear
bear down
click off
endeavor
go for the gold
strivingly
stretching
full send
do one's utmost
back
endeavour
sweat out
extend
marathonic
work at
work on
make the dust fly
empty the tank
full speed ahead
patient
break a sweat
postmaximal
a hundred and ten percent
crank
diligence
application
one's socks off
give it some welly
pound out
top out
put spurs to
get there
peak
maximumly
rallying