1
- a piece of thick, stiff paper or thin pasteboard, in particular one used for writing or printing on（尤指用于书写或印刷的）厚纸片; 薄纸板：
some notes jotted down on a card
草草记于一张纸片上的笔记
mass noun a piece of card.一张纸片。
1.1
- such a piece of thick paper printed with a picture and used to send a message or greeting（传递信息或问候的）卡片; 明信片; 贺卡：
a birthday card.
一张生日贺卡。
1.2
- a small piece of such paper with a person's name and other details printed on it for purposes of identification, for example a business card or a visiting card名片。
2
- a small rectangular piece of plastic issued by a bank or building society, containing personal data in a machine-readable form and used chiefly to obtain cash or credit（银行或建屋互助会的）信用卡。
2.1
- a similar piece of plastic used for other purposes such as paying for a telephone call or gaining entry to a room or building塑料功能卡（如电话卡或房间、楼宇出入卡）。
3
- a playing card纸牌：
a pack of cards.
一副纸牌。
3.1
cards
a game played with playing cards纸牌戏。
4
- Computing short for EXPANSION CARD.【计算机】EXPANSION CARD的简称。
5
cards
Brit. informal documents relating to an employee, especially for tax and national insurance, held by the employer〈英, 非正式〉（尤指雇主持有、有关税金和国民保险方面的）雇员档案。
6
- a programme of events at a race meeting（赛马会的）日程表; 节目单。
6.1
- a record of scores in a sporting event; a scorecard（比赛）记分卡。
6.2
- a list of holes on a golf course, on which a player's scores are entered（标明高尔夫球手得分的）记分卡。
7
- informal, dated or N. Amer. a person regarded as odd or amusing〈非正式, 旧或北美〉古怪（或引人发笑）的人：
He laughed: 'You're a card, you know'.
他笑道：“你可真古怪。”
with obj.
1
- write (something) on a card, especially for indexing（尤指为做索引而）在卡片上记录。
2
- N. Amer. check the identity card of (someone), in particular as evidence of legal drinking age〈北美〉（尤指为核实是否达到合法饮酒年龄而）核查（某人的）身份证。
3
- informal (in golf and other sports) score (a certain number of points on a scorecard)〈非正式〉（高尔夫等运动中）（在记分卡上）记分, 得分：
he carded 68 in the final round.
他在决赛中得68分。
4
be carded
Canadian (of an amateur athlete) be in receipt of government funding to pursue training〈加〉（业余运动员）受政府资助以进行训练。
短语
a card up one's sleeve
- Brit. a plan or asset that is kept secret until it is needed〈英〉必要时才公开的计划（或优势）; 锦囊妙计。
get one's cards
- Brit. informal be dismissed from one's employment〈英, 非正式〉被解雇, 被开除。
give someone their cards
- Brit. informal dismiss someone from employment〈英, 非正式〉解雇, 开除。
hold all the cards
- be in a very strong or advantageous position处于非常强势（或有利）的位置。
on（或〈北美〉in）the cards
- informal possible or likely〈非正式〉可能的; 也许的：
our marriage has been on the cards from day one.
我们从一开始就有结婚的可能。
play the - card
- exploit the specified issue or idea mentioned, especially for political advantage（尤指为政治利益而）利用某问题（或观点）, 打…牌：
he saw an opportunity to play the peace card.
他看到了一次打和平牌的机会。
play one's cards right
- make the best use of one's assets and opportunities发挥优势; 把握良机。
put（或lay）one's cards on the table
- be completely open and honest in declaring one's resources, intentions, or attitude坦陈（某人的办法、意图或态度）, 摊牌。
词源
late Middle English (in sense 3 of the noun)： from Old French carte, from Latin carta, charta, from Greek khartēs 'papyrus leaf '.
with obj.
- comb and clean (raw wool, hemp fibres, or similar material) with a sharp-toothed instrument in order to disentangle the fibres before spinning（纺纱前为理顺纤维而用利齿工具）梳理, 清理（原毛, 大麻纤维等）。
- a toothed implement or machine for this purpose梳理机。
派生词
carder
noun词源
late Middle English: from Old French carde, from Provençal carda, from cardar 'tease, comb', based on Latin carere 'to card'.