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
I envy you for your ability to cope with the situation.
我羡慕你有能力应付这种情况。
He who plays with fire gets burned.
玩火者必自焚。
and are capable of a considerable degree of personal affection.