to crush something into small pieces
The machine grinds coffee beans into powder.
这台机器将咖啡豆研磨成粉末。
to make flour by crushing grain
They grind wheat to make flour.
他们研磨小麦来制作面粉。
to cut meat into very small pieces
The butcher will grind the meat for hamburgers.
肉贩将为汉堡包绞肉。
to make something sharp by rubbing
He uses a stone to grind his knife.
他用一块石头来磨刀。
to press something into a surface
She ground her heel into the dirt.
她把脚后跟碾进泥土里。
to rub together making noise
The gears grind when shifting.
换挡时齿轮会发出嘎吱声。
to turn a handle to crush something
You need to grind the pepper mill to get pepper.
你需要研磨胡椒磨来获取胡椒粉。
hard, boring work
Studying for exams is a real grind.
为考试学习真是件苦差事。
loud noise from machines
The grind of the engine woke me up.
发动机的轰鸣声把我吵醒了。
a person who studies too much
He's such a grind, always in the library.
他真是个书呆子,总在图书馆里。