day，英语单词，主要用作名词、形容词。作名词时意为“一天；白昼，白天；工作日”，作形容词时意为“白昼的，日间的；（人）日间工作的，上白班的”等。

英 [deɪ] 美 [deɪ]

n. 一天；白昼，白天；工作日，一天的活动时间；时期，时代；如今，现在；（过去或将来的）一天；重大日子；太阳日；恒星日；（天体）白昼；<古>日光

adj. 白昼的，日间的；（人）日间工作的，上白班的

【名】 （Day）（英、法、西）戴，（越）岱，（阿拉伯、土）达伊（人名）

柯林斯英汉双解大词典

day /deɪ/ CET4 TEM4

1.N-COUNT A day is one of the seven twenty-four hour periods of time in a week. (一周中的) 一天

2.N-COUNT You can refer to a particular period in history as a particular day or as particular days. 时期

3.it is early days →see early

4.at the end of the day →see end

5.the good old days →see old

6.N-VAR Day is the time when it is light, or the time when you are up and doing things. 白天

7.N-COUNT the period of time, the solar day, during which the earth makes one complete revolution on its axis relative to the sun. The mean solar day is the average length of the apparent solar day and is some four minutes (3 minutes 56.5 seconds of sidereal time) longer than the sidereal day 太阳日

8.N-COUNT the period of time, the sidereal day, during which the earth makes one complete revolution on its axis relative to a particular star. The mean sidereal day lasts 23 hours 56 minutes 4.1 seconds of the mean solar day 恒星日

9.PHRASE If something happens day after day, it happens every day without stopping. 日复一日

10.PHRASE If you say that something happens day in, day out or day in and day out, you mean that it happens regularly over a long period of time. 天天 [v PHR]

11.PHRASE In this day and age means in modern times. 在现代

12.PHRASE If you say that something has seen better days, you mean that it is old and in poor condition. 破旧

13.PHRASE If you call it a day, you decide to stop what you are doing because you are tired of it or because it is not successful. 结束工作; 收工

14.PHRASE If something makes your day, it makes you feel very happy. 使某人非常高兴 [非正式]

15.PHRASE One day or some day or one of these days means at some time in the future. 有朝一日

16.PHRASE If you say that something happened the other day, you mean that it happened a few days ago. 几天前

17.PHRASE If someone or something saves the day in a situation which seems likely to fail, they manage to make it successful. 扭转败局

18.PHRASE If something happens from day to day or day by day, it happens each day. 每天

19.PHRASE If it is a month or a year to the day since a particular thing happened, it is exactly a month or a year since it happened. (日期) 正好

20.PHRASE To this day means up until and including the present time. 至今

21.PHRASE If you say that a task is all in a day's work for someone, you mean that they do not mind doing it although it may be difficult, because it is part of their job or because they often do it. 家常便饭

22.your day in court →see court

every day 每天；每个白天

one day （将来）有一天；总有一天；（过去）某一天

all day 整天

by day 在白天；日间

day by day 一天天；逐日

of the day 当时的；当代的

first day 星期日

next day 第二天

some day 总有一天；将来有一天；来日

other day 几天前

in the day 在白天；在一天中

with each passing day 日益地，一天天地

national day 国庆节

day and night 日以继夜

per day 每日，每天

valentine's day 情人节（每年2月14日）

another day 另一天，又一天；改日；吉日

last day 最后一天；最后审判日

on the day 在那天；（英）到那时

the day before 前一天