名詞 grind:

1. an insignificant student who is ridiculed as being affected or studying excessively
   同義詞：swot, nerd, wonk, dweeb
2. hard monotonous routine work
   同義詞：drudgery, plodding, donkeywork
3. the act of grinding to a powder or dust
   同義詞：mill, pulverization, pulverisation

動(dòng)詞 grind:

1. press or grind with a crunching noise
   同義詞：crunch, cranch, craunch
2. make a grating or grinding sound by rubbing together
   同義詞：grate
3. reduce to small pieces or particles by pounding or abrading
   同義詞：mash, crunch, bray, comminute
4. work hard
   同義詞：labor, labour, toil, fag, travail, drudge, dig, moil
5. dance by rotating the pelvis in an erotically suggestive way, often while in contact with one's partner such that the dancers' legs are interlaced
6. created by grinding
7. shape or form by grinding

1. The old engine ground and shuddered.
   那臺(tái)陳舊的發(fā)動(dòng)機(jī)抖動(dòng)著發(fā)出摩擦的聲音。
2. It won't grind down any finer than this.
   不能磨得比這個(gè)再細(xì)了。
3. The strike brought industry grinding to a halt.
   由於罷工生產(chǎn)逐漸停頓下來。
4. The jukebox ground out an incessant stream of pop music.
   自動(dòng)電唱機(jī)沒完沒了地放送流行樂曲。
5. Some people grind their teeth while they are asleep.
   有些人睡覺時(shí)磨牙齒。
6. We grind up the wheat to make flour.
   我們把小麥磨成面粉。
7. People in this area were ground down by hunger and poverty.
   這個(gè)地區(qū)的人們受著饑餓和貧窮的折磨。

grind

v.（動(dòng)詞）
ground[ground] grind.ing,grinds
v.tr.（及物動(dòng)詞）

To crush, pulverize, or reduce to powder by friction, especially by rubbing between two hard surfaces:
碾碎：壓碎，擠碎或通過摩擦使其變成粉末，尤指在兩個(gè)堅(jiān)硬表面磨碎：
例句：
grind wheat into flour.
把小麥磨成面粉

To shape, sharpen, or refine with friction:
磨光，磨利：通過摩擦成形，使變鋒利或光滑：
例句：
grind a lens.
打磨鏡片

To rub (two surfaces) together harshly; gnash:
用力地磨牙，嚙：用力地將兩個(gè)平面在一起摩擦，磨（牙）：
例句：
grind the teeth.
咬牙切齒

To bear down on harshly; crush.
壓，碾：使勁地壓，壓碎
To oppress or weaken gradually:
壓榨，削弱：逐漸地壓迫或削弱：
例句：
.Laws grind the poor, and rich men rule the law.(Oliver Goldsmith)
.法律壓榨窮人，而富人統(tǒng)治著法律.(奧利弗·哥爾德史密斯)

To operate by turning a crank:
搖動(dòng)手柄操作：
例句：
ground a hurdy-gurdy.
演奏手搖風(fēng)琴

To produce or process by turning a crank:
通過搖動(dòng)手柄來制造或加工：
例句：
grinding a pound of beef.
絞一磅牛肉

To produce mechanically or without inspiration:
機(jī)械地造出：沒有靈感機(jī)械地制造：
例句：
The factory grinds out a uniform product.
工人制造出規(guī)格一致的產(chǎn)品

To instill or teach by persistent repetition:
填鴨：通過不停地重復(fù)來灌輸或教育：
例句：
ground the truth into their heads.
把真理灌輸?shù)剿麄冾^腦中

v.intr.（不及物動(dòng)詞）
To perform the operation of grinding something.
磨：進(jìn)行磨碎某物的操作
To become crushed, pulverized, or powdered by friction.
磨碎：使…被壓碎或磨成粉末
To move with noisy friction; grate:
嘎嘎地響：刺耳地磨擦，伴隨刺耳聲磨擦而移動(dòng)：
例句：
a train grinding along rusty rails.
火車在生銹的鐵軌上隨著刺耳的摩擦聲前行

Informal To devote oneself to study or work:
【非正式用語】 苦干，苦學(xué)：完全投身于學(xué)習(xí)或工作中：
例句：
grinding for a test; grinding away at housework.
為考試埋頭苦讀；埋頭做家務(wù)

Slang To rotate the pelvis erotically, as in the manner of a stripteaser.
【俚語】 淫蕩地晃動(dòng)：賣弄色相地?fù)u擺臀部，如脫衣舞者一樣
n.（名詞）
The act of grinding.
磨：磨的動(dòng)作
A crunching or grinding noise.
嘎吱聲，磨擦聲
A specific grade or degree of pulverization, as of coffee beans:
磨細(xì)的程度：在磨細(xì)中的特定等級(jí)，如咖啡豆的：
例句：
drip grind.
細(xì)磨咖啡

Informal A laborious task, routine, or study:
【非正式用語】 苦力，苦差：費(fèi)力的任務(wù)、日常工作或?qū)W習(xí)：
例句：
the daily grind.
每天必做的苦差

Informal A student who works or studies excessively.
【非正式用語】 用功的學(xué)生：極其刻苦的學(xué)生
Slang An erotic rotation of the pelvis.
【俚語】 淫蕩地晃動(dòng)：賣弄色相地扭動(dòng)臂部的動(dòng)作

來源：
Middle English grinden
中古英語 grinden
from Old English grindan * see ghrendh-
源自 古英語 grindan *參見 ghrendh-

【引伸】
grind.ingly
adv.（副詞）