put one's shoulder to the wheel
• set to work vigorously.
Similar:
get (down) to work,
apply oneself,
set to work,
fall to,
buckle down,
get down to business,
put one's hand to the plough,
roll up one's sleeves,
get things moving,
start the ball rolling,
work hard,
make an effort,
strive,
exert oneself,
give it one's best shot,
get cracking,
get one's finger out,
get weaving,
get the show on the road,
get off one's backside,
get stuck in,
buckle to,
