摩拳擦掌

fig. to rub one's fists and wipe one's palms (idiom) / to roll up one's sleeves for battle / eager to get into action or start on a task

to rub

fist / boxing

to wipe / to erase / rubbing (brush stroke in painting) / to clean / to polish

palm of the hand / sole of the foot / paw / horseshoe / to slap / to hold in one's hand / to wield