名詞 chalk:

1. a soft whitish calcite
2. a pure flat white with little reflectance
3. an amphetamine derivative (trade name Methedrine) used in the form of a crystalline hydrochloride; used as a stimulant to the nervous system and as an appetite suppressant
   同義詞：methamphetamine, methamphetamine hydrochloride, Methedrine, meth, deoxyephedrine, chicken feed, crank, glass, ice, shabu, trash
4. a piece of calcite or a similar substance, usually in the shape of a crayon, that is used to write or draw on blackboards or other flat surfaces

動詞 chalk:

1. write, draw, or trace with chalk

1. We're not beaten yet, (not) by a long chalk.
   我們還沒有敗，遠遠沒敗。
2. Dust yourself down you're covered in chalk.
   把你自己身上撣撣--上面都是粉筆末。
3. The teacher wrote on the blackboard with a piece of chalk.
   老師用一支粉筆在黑板上寫字。

chalk

n.（名詞）
A soft, compact calcite, CaCO3, with varying amounts of silica, quartz, feldspar, or other mineral impurities, generally gray-white or yellow-white and derived chiefly from fossil seashells.
白堊：一種松軟的方解石粉塊，CaCO3，含有不等量的硅石、石英、長石或其它礦物雜質(zhì)，通常為灰白色或黃白色，從貝類化石中制得

A piece of chalk or chalklike substance in crayon form, used for marking on a blackboard or other surface.
粉筆：一支粉筆或帶顏色的粉筆狀物，用以在黑板上或其他物體表面作標記
Games A small cube of chalk used in rubbing the tip of a billiard or pool cue to increase its friction with the cue ball.
【游戲】 擦抹于球桿頂端的粉塊：用來擦彈子球棒梢或落袋臺球棒梢以增加其與球的摩擦的一小方塊白堊
A mark made with chalk.
用粉筆做的標記
Chiefly British A score or tally.
【多用于英國】 分數(shù)或比分
v.tr.（及物動詞）
chalked,chalk.ing,chalks
To mark, draw, or write with chalk:
用粉筆標記、畫或?qū)懀?/br>例句：
chalked my name on the blackboard.
用粉筆將我的名字寫在黑板上

To rub or cover with chalk, as the tip of a billiard cue.
擦抹粉塊：以白堊擦或覆蓋，如彈子棒梢
To make pale; whiten.
使變蒼白；使變白
To treat (soil, for example) with chalk.
用白堊處理（如土壤）

<常用詞組>chalk up
To earn or score:
掙得或得分：
例句：
chalk up points.
得分

To credit or ascribe:
把…歸于或歸功：
例句：
Chalk that up to experience.
把那事歸于經(jīng)驗問題

來源：
Middle English
中古英語
from Old English cealk
源自 古英語 cealk
from Latin calx calc- [lime] * see calx
源自 拉丁語 calx calc- [萊姆樹] *參見 calx

【引伸】
chalk.iness
n.（名詞）
chalk.y
adj.（形容詞）