grindstone

"grindstone" Chinese translation ("grindstone" in Chinese, "grindstone" 中文翻译, "grindstone"发音):

grindstone

n. 旋转磨石,旋转研磨机 [have [hold, keep] one's nose at [to] the grindstone → nose ]

Related Entries (相关词条):

nose to the grindstone 用功读书