ose to the grindstone;
. roll up your sleeves;
. sweat blood;
. work yourself to death;
. keen as mustard;
. drag your feet;
. not do a hand s turn;
. not do a stroke;
. swing the lead;
. twiddle your thumbs;
. do smth willy-nilly;
. working on all cylinders;
. keep the pedal on the metal;
. put your shoulders to the wheel;
. get into gear;
. be a dab hand at smth;
. knock spot of smth;
. be your strong point;
. be good with your hands;
. know your stuff;
. not have a;
. lose your grip;
. run around like headless chicken;
. be a jack of all trades;
. not know beans about smth;
. loose your touch;
. beat your brains;
. be cooking with gas;
. beat the bushes;
. give it your best shot;
. buck up your ideas;
. go to the whole hog;
. go into overdrive;
. be on track;
. be on the hoof;
. lie down on the job;
. make a mess of smth;
. go with a bang;
. bat a thousand;
. go great gun;,
. go places;
. chase your tail;
. flog a dead horse;
. blot your copybook;
. hit the buffers,
. be a mug s games.
