grind sth
及物用法，表示把固体磨成粉末或碎末。
She grinds fresh coffee beans every morning.
她每天早上磨新鲜咖啡豆。
磨碎；碾碎
ground — past of grind · irregular form
磨；打磨；磨掉；被磨碎；磨光；摩擦；嘎吱作响；压迫；压制；削弱；（为达成目标）反复做；刷
To crush something into smaller pieces or powder by rubbing it against a hard surface.
用侧向运动碾碎成小块。
To reduce to smaller pieces by crushing with lateral motion.
用摩擦力塑造形状。
To shape with the force of friction.
用研磨面摩擦去除材料。
To remove material by rubbing with an abrasive surface.
因摩擦而磨碎、粉碎或抛光。
To become ground, pulverized, or polished by friction.
费力地移动或摩擦；嘎吱作响。
To move with much difficulty or friction; to grate.
使滑板或滑雪板底部在障碍物(如栏杆)上滑动。
To slide the flat portion of a skateboard or snowboard across an obstacle such as a railing.
压迫、压制或削弱。
To oppress, hold down or weaken.
为达成特定目标而大量重复执行某项任务。
To repeat a task a large number of times in a row to achieve a specific goal.
通过转动曲柄来操作。
To operate by turning a crank.
像转动曲柄一样机械而重复地产生。
To produce mechanically and repetitively as if by turning a crank.
通过反复教学来灌输。
To instill through repetitive teaching.
一般现在时
She grinds coffee beans every morning.
她每天早上磨咖啡豆。
一般过去时
He ground the spices for the curry yesterday.
他昨天为咖喱磨了香料。
现在完成时
They have ground the flour for the bread.
他们已经为面包磨好了面粉。
不规则动词，过去式和过去分词形式为ground。
Every morning, I grind fresh coffee beans for my espresso.
每天早上，我都会为我的意式浓缩咖啡磨新鲜的咖啡豆。
用法提示：动词原形，表示'磨碎'的动作。
She ground the spices with a mortar and pestle.
她用研钵和研杵把香料磨碎了。
用法提示：动词过去式，表示'碾碎'的动作。
The machine is grinding the wheat into flour.
机器正在将小麦磨成面粉。
用法提示：现在分词，表示持续进行的'碾磨'动作。
及物用法，表示把固体磨成粉末或碎末。
She grinds fresh coffee beans every morning.
她每天早上磨新鲜咖啡豆。
into 后接研磨后的结果，常为粉末、糊状物等。
Grind the peanuts into a fine powder.
把花生磨成细粉。
down 强调长期摩擦使表面逐渐变低、变平；代词宾语放在 down 前，如 grind it down。
The river has ground the rocks down over centuries.
河水经过几个世纪把岩石磨平了。
grammar · medium
易错句子Last night I grind my teeth.
正确表达Last night I ground my teeth.
时间状语 last night 表示过去，动词应用过去式；grind 是不规则动词，过去式为 ground，不能用原形 grind。
grammar · medium
易错句子I bought some grinded beef.
正确表达I bought some ground beef.
表达“碎牛肉”时英语有固定搭配 ground beef，源于 grind 的过去分词 ground；grinded 虽是 ground 之外的一种过去分词形式，但在这个惯用搭配中不用，不能按规则动词类推成 grinded beef。
grammar · medium
易错句子I ground my English homework all night.
正确表达I ground away at my English homework all night.
grind 表示“刻苦、费力地持续做（功课等）”时是不及物动词，常用 grind away at something；直接把 homework 作宾语是汉语“啃功课”的直译，不符合英语搭配。
grind作为苦干、苦学的反义词
grind 是把东西磨成粉或细粒，grate 特指把食物在擦板上擦成细丝或碎末，工具和成品形态都不同。
grind 用侧向摩擦或研磨使东西变碎，crush 用向下或外部的压力挤压使物体破裂变形，没有来回磨的动作。
grind 靠碾磨作用做成粉末或碎末，mince 用刀剁或绞肉机切成小碎块，不涉及研磨。
磨咖啡豆
She grinds fresh coffee beans every morning.
她每天早上磨新鲜的咖啡豆。
慢慢停下来；陷入停顿
Traffic ground to a halt during the storm.
暴风雨期间交通陷入了停顿。
磨牙
He grinds his teeth when he is stressed.
他压力大时会磨牙。
苦干；持续努力
She grinds away at her studies every night.
她每晚刻苦学习。
费力地做出；粗制滥造
The factory grinds out thousands of parts each day.
工厂每天粗制滥造出数千个零件。
慢慢停下来
Traffic ground to a halt due to the accident.
由于事故，交通慢慢停了下来。
咬牙切齿
He ground his teeth in frustration.
他气得咬牙切齿。
有私心；有个人目的
She has no axe to grind; she's just trying to help.
她没有私心，只是想帮忙。
我会把你碾成粉末
He grinds his opponents with relentless pressure.
他以无情的压力碾压对手。
奋斗永不停歇
She grinds every day to achieve her goals.
她每天都在努力以实现目标。
Dictionary facts from ECDICT, WIKTIONARY, WORDNET.
把…磨成…
They grind the wheat into flour.
他们把小麦磨成面粉。