n (1) 1) 日期(specific numbered day and month and/or specific year in which sth happened or is to happen) [C]：“What's the～today (What's today's～)?” “(Today's～is) June the 8th (or the 8th of June).”“今天是几月几号?”“(今天是)6月8日。” “When/What was the～of her birth (her～of birth)? ” “(The～was)October the 5th， 1941 (or the 5th of October， 1941). ”“她出生的日子是哪天?”“1941年10月5日。” The～changes at midnight. 两个日子的交界为半夜时分。fix (set) the～for the wedding/the convention/the picnic确定结婚/大会/野餐的日期;fix (settle) the～of sb's departure/the meeting 确定某人离开/会议的日期;No～was announced for the talks. 没有宣布会谈的日期。On what～was the meeting? 会议什么日子开的? change the～to Nov. 10th把日期改为11月10日; Shakespeare's～s are 1564 to 1616. 莎士比亚的生卒年份为1564至1616年。The～of the battle of Waterloo was 1815. 滑铁卢战役的时间是1815年。give a precise～定一个确切的日子;I never remember～s.我总是记不住日期。2)(书、信、硬币等上所标的)日期(indication printed， written or stamped(on a book， letter， coin， etc)) [C]：the～of a book书的出版日期;The cornerstone/manuscript bears the～1930(4 May 1930). 基石/手稿上的日期是1930年(1930年5月4日)。There's no～on the cheque/the book/the coin.(The cheque/book/coin has no～on it.)支票/书/硬币上无日期。The～on the letter/the coin is 10 May 1940(1940). 信/硬币上的日期是1940年5月10日(1940年)。

(2) 年代，时期(period of time in history) [U]：The～of Renaissance is sometimes considered to be from the 14th to the 17th century. 人们有时认为文艺复兴时期是从14世纪至17世纪。at that～在那个年代;Egyptian tombs of an early～早期的埃及古墓;The vase is of very early/late～. 这花瓶是很早/晚时期的。〖同〗period， age， era， epoch;

(3) 1) 约会(appointment to meet sb at a certain time and place) [C](infml)：make(arrange) a～to meet at the office/to go to the cinema 约定在办公室见面/去看电影;make a～for next Saturday约定下周六相会;have a～for lunch(with a client/one's friend) on Saturday 约了(当事人/朋友)在周六吃午饭;That's a～then — tomorrow at 10. 就这么定了——明天10点。〖同〗appointment，engagement; 2)(异性)约会(appointment to go out with a person of the opposite sex) [C](infml)：have a～with a girl/a boy 与一个姑娘/男孩有约会;go out on a～出去赴约;ask sb for a～to go to a film 约请某人去看电影;3)(异性)约会对象(person with whom one has such an appointment) [C](infml)(尤AmE)：My～is meeting me at eight. 我的对象8点和我见面。dance with one's～与对象跳舞;take/bring one's～to a party 带对象去/来参加聚会;Who's your～for tonight? 你今天晚上的约会对象是谁? introduce one's～to a friend向朋友介绍自己的对象;

(be/go)out of date 过时：(clothes/ideas/words) be (rather)/go out of～(衣服/思想/用语)(太)过时/过时了;

bring sth/be up to date 使跟上/跟上时代：(clothes/idea/words) be (very) up to～(衣服/思想/用语)(很)符合潮流;(sb) be (very) up to～in his thinking/his method(某人)在思想/方法上(很)现代; bring the matter/one's records up to ～使事情/某人的记录跟上时代;

to date 迄今为止：The police have not found the runaway to～. 警察迄今为止还未找到逃犯。

→͵out-of-′date， ͵out′dated adj 过时的，陈旧的; ͵up-to-′date adj 现代的，最新的;′dateless adj 经久不衰的;′date-stamp n 日戳;

v (1) 注明日期(have or put a date on sth) [T+n]：～a cheque/a letter 在支票/信上注上日期;The letter/appeal was～d July 20 (a week ago). 这信/申诉书上的日期是7月20日(一周以前)。a deed～d 1890 注明日期为1890年的财产证书;

(2) 确定年代(find out the age of sth) [T+n]：～rocks/fossils/tools/paintings/pottery/houses (at about 1080) 确定岩石/化石/工具/绘画/陶瓷/房子的年代(大约为1080年);The statue has been～d as 5th century BC. 这雕像已被确定为公元前5世纪的。The shape of the pot～s it at around AD 900. 根据这壶的形状可以推定它是公元900年前后制作的。

(3) 过时，不流行((cause to)seem no longer modern or fashionable) [T+n， I]：The clothes/fashions/books/types of music have begun to～. 这些衣服/这些式样/这些书/这种曲子已经开始过时了。His wrinkles/clothes/taste in pop music～(s)him. 他的皱纹/衣服/对流行音乐的欣赏力使他显得老(跟不上时代)了。The views he expressed 50 years ago have not～d (much). 他50年前表达的观点现在仍未(怎么)过时。

(4) 赴约，约会(go out once or regularly with(a member of the opposite sex)) [T+n， I](infml)(尤AmE)：He～d her yesterday/once. 他与她昨天约会了/约会过一次。She～s several boys. 她与几个小伙子约会。They have been～ing(each other) for two years. 他们约会有两年了。

date back to/from(v adv prep/v prep) 时间可追溯到……/始自……：The church/castle/town/manuscript/custom～s back to(from) the 10th century/Roman times. 这教堂/城堡/镇子/手稿/习俗建(写/始)于10世纪/罗马时代。Our friendship/partnership～s from before the war(back to 1970). 我们的友谊/合作始自战前(1970年)。

→′dated adj 过时的;

【说明】日期的写法：一般写为数字，如：the year 1980，April 1980，April 10(th)， 1980(或10(th) April， 1980);仅有特殊意义的日子或节假日才用数词：如：the first of April，有时全用数字，但注意：10/4/80在BrE中指10 April， 1980，在AmE中指4 October， 1980。