card

名词 card:

1. one of a set of small pieces of stiff paper marked in various ways and used for playing games or for telling fortunes
2. a card certifying the identity of the bearer
   同义词：identity card
3. a rectangular piece of stiff paper used to send messages (may have printed greetings or pictures)
4. thin cardboard, usually rectangular
5. a witty amusing person who makes jokes
   同义词：wag, wit
6. a sign posted in a public place as an advertisement
   同义词：poster, posting, placard, notice, bill
7. a printed or written greeting that is left to indicate that you have visited
   同义词：calling card, visiting card
8. (golf) a record of scores (as in golf)
   同义词：scorecard
9. a list of dishes available at a restaurant
   同义词：menu, bill of fare, carte du jour, carte
10. (baseball) a list of batters in the order in which they will bat
    同义词：batting order, lineup
11. a printed circuit that can be inserted into expansion slots in a computer to increase the computer's capabilities
    同义词：circuit board, circuit card, board, plug-in, add-in

动词 card:

1. separate the fibers of
   同义词：tease
2. ask someone for identification to determine whether he or she is old enough to consume liquor

1. What's this card good for?
   这卡片有什么用?
2. He lost his credit card.
   他丢了信用卡。
3. They play cards every Friday.
   他们每个星期五玩纸牌。
4. I have received eleven Christmas cards by now.
   到现在为止，我已经收到了十一张圣诞卡片。

card

n.（名词）
A flat, usually rectangular piece of stiff paper, cardboard, or plastic, especially:
纸片，卡片：一种扁平的，通常是正方形的硬纸片、卡纸板或硬塑料片，尤指：
One of a set or pack bearing significant numbers, symbols, or figures, used in games and in divination.
纸牌，纸卦：用在纸牌戏和占卜术中的一套或一副印着有含意的号码、象征符号或数字的纸片之一
A greeting card.
柬帖，贺卡
A post card.
明信片
One bearing a person`s name and other information, used for purposes of identification or classification.
个人名片：印有一个人的姓名及他的其它情况的纸片，用作身份证明或分类
A business card.
商业名片
A credit card.
信用卡
A magnetic card.
磁卡
One used for recording information in a file:
资料卡：一批经过整理的资料中记录信息或情况用的卡片：
例句：
an index card; a recipe card.
索引卡片；食谱卡片

cards (used with a sing. or pl. verb)Games
cards （与单数或复数动词连用）【游戏】
A game played with cards.
纸牌戏
The playing of games with cards.
打牌
A program, especially for a sports event.
节目单：尤指体育赛事的节目单

A menu, as in a restaurant.
菜单：如餐馆里的菜单
A wine list.
酒单
Computer Science
【计算机科学】
A circuit board, especially for use in a microcomputer.
卡片，界面卡，插件：一种电路板，尤指用于微型计算机里的电路板
A punch card.
穿孔卡片
A compass card.
罗经刻度盘
Informal An eccentrically amusing person.
【非正式用语】 引人发笑的古怪的人
Something, such as an advantageous circumstance or tactical maneuver, that can be used to help gain an objective:
手段，办法，妙计：能够用来帮助达到一目的的东西，如有利的环境或高明的策略：
例句：
.[He believed that] Soviet Russia . . . had far more Iranian cards to play than had the United States. (Theodore Draper)
.[他相信] 苏俄…比美国有更多的对伊朗的策略可操纵. (西奥多·德拉佩)

v.tr.（及物动词）
card.ed,card.ing,cards
To furnish with or attach to a card.
为…提供卡片，在…上附卡片
To list (something) on a card; catalogue.
登记：在卡片上列出（某物）；登记，记载
To check the identification of, especially in order to verify legal age.
检查资格：检查…的身份证，尤指为了核实法定年龄

<常用词组>card in
To sign in, as at a place of business, by use of a magnetic card.
签到：如在商业场所用磁卡所进行的登记
card out
To sign out, as from a place of business, by use of a magnetic card.
签退：用磁卡登记姓名以示离开，如离开商业活动的场所时
<习惯用语>card up (one`s) sleeve
A secret resource or plan held in reserve:
有锦囊妙计：有所保留的，秘而不宣的谋略或计划：
例句：
a tough negotiator who had a number of cards up his sleeve.
一个拥有很多锦囊妙计的难以对付的谈判者

in the cards
Likely or certain to happen:
很可能或一定会发生的：
例句：
My promotion to a higher position just isn`t in the cards.
我的职位很可能不会提升了

put (one`s) cards on the table 或
lay (one`s) cards on the table
To make frank and clear revelation, as of one`s motives or intentions.
摊牌：把自己的动机或意图坦白明了地公布出来
来源：
Middle English carde
中古英语 carde
from Old French carte
源自 古法语 carte
from Latin charta [paper made from papyrus]
源自 拉丁语 charta [用纸草做的纸]
from Greek khartôs
源自 希腊语 khartôs

card
card 2

n.（名词）
A wire-toothed brush or a machine fitted with rows of wire teeth, used to disentangle fibers, as of wool, prior to spinning.
梳理机：一种钢丝齿的刷子或装有数排钢丝齿的机器，在纺纱前用于理清纤维，如羊毛纤维
A device used to raise the nap on a fabric.
起毛机：一种用于使纤维起绒毛装置
v.tr.（及物动词）
card.ed,card.ing,cards
To comb out or brush with a card.
理清，刷：用梳理机理清或刷

来源：
Middle English carde
中古英语 carde
from Medieval Latin cardus
源自 中世纪拉丁语 cardus
from Latin carduus [thistle]
源自 拉丁语 carduus [蓟；大鳍蓟]

【引伸】
card.er
n.（名词）