他开始磨刀He started to sharpen his knife.我得磨刀; 它钝了.I have to grind the knife; it is blunt.侯恩冷眼瞧着克洛夫特磨刀,一时简直瞧得出了神.Almost with fascination , Hearn watched Croft working on his trench knife....

“磨刀”的拼音为：mó dāo...

“磨刀”的英语可以翻译为：sharpen，stoning ...