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
Let's go out for Chinese food.
咱们去吃中国餐吧。
I'm sorry, but it's just not possible.
抱歉,实在是爱莫能助。
I don't like stories that which have unhappy endings.