grindstone
n
1 stone shaped like a wheel, turned on an axle, against which one holds knives or other tools to sharpen them 砂轮.
2 (idm 习语) keep one's/sb's nose to the grindstone => nose1.
🗣️ 情景例句
You go ahead with the formalities. I'll see to the heavy luggage.
您先去办手续,我来帮您照看大件行李。
Could I have one for tomorrow morning?
明天早上我能租一辆吗?
There was no trace of fingerprints, but the inspector found a dirty red bundle that contained jewellery which the old lady said was not hers.