锐化 | ruì huà | to sharpen | |
削尖 | xiāo jiān | to sharpen | |
磨 | mó | to rub / to grind / to polish / to sharpen / to wear down / to die out / to waste time / to pester / to insist | |
杠 | gàng | coffin-bearing pole (old) / thick pole / bar / rod / thick line / to mark with a thick line / to sharpen (a knife, razor etc) / to get into a dispute with / standard / criterion | |
磨快 | mó kuài | to sharpen / to grind (knife blades) |