磨刀石 mó dāo shí

DEFINITIONS

  1. whetstone (for honing knives)

CHARACTERS

磨 mó
HSK 6
grind; polish; rub; wear out; a millstone
刀 dāo
HSK 4
knife; old coin; measure
石 shí
HSK 5
stone, rock, mineral; rad. 112