buckle down Synonyms

knuckle down devote oneself to swing into action make a great effort exert oneself work hard do one's utmost put one's shoulder to the wheel spare no effort pull one's finger out set to work keep one's mind on get down to it get off one's backside get serious be assiduous get down to work dedicate oneself to make a start lay the first stone get to work occupy oneself with be industrious be diligent make an effort knock oneself out get the show on the road get cracking beaver away concentrate on keep one's nose to the grindstone struggle strive slave persevere focus endeavor get going get moving get the ball rolling get stuck in get one's finger out get down to business get on with it buckle to apply oneself take the bull by the horns leave nothing in the tank break one's back concentrate