241.out of date 过时的;陈旧的
The fashion trends of the 1980s are now out of date.
20世纪80年代的流行时尚目前已经过时了。
242.up to date 最新的
Please provide me with the up to date information on the project.
请给我提供关于这个项目的最新信息。
243.date back to 追溯到;远在……年代
The castle dates back to the 12th century.
这座城堡可以追溯到12世纪。
244.all day 一整天
I've been studying all day long and I'm exhausted.
我整天都在学习，累坏了。
245. day and night 整日整夜地;日日夜夜地
They worked day and night to finish the project on time.
他们日日夜夜地工作，以便按时完成项目。
246.day after day 日复1日地
She practices her piano day after day to improve her skills.
她日复1日地训练钢琴，以提升她的技能。
247.day by day 一每天地;逐日地
His health is improving day by day.
他的健康情况在一每天好转。
248.one day 某一天
One day, I hope to travel to all the corners of the world.
某一天，我期望环游世界。
249.some day 总有一天; 某一天
Some day, I will be able to achieve my dreams.
总有一天，我会达成我的梦想。
250.the other day 不久前;前不久
The other day, I saw an old friend at the supermarket.
不久前，我在超市遇见了一个老友。
251.these days 目前;现在
These days, most people prefer to shop online.
现在，大部分人更喜欢网购。
252.to this day 到今天
To this day, I still remember the first time I saw the ocean.
到今天，我还记得我首次看到大海的情景。
253.a great / good deal 很多;不少
I have a great deal of work to do before the deadline.
我在截止日期前有不少工作要做。
254.a great / good deal of 很多的;不少的
She has a great deal of patience with her young children.
她对她的孩子们非常有耐心。
255.a big deal 没什么大不了的;要紧的事情
Losing that game was not a big deal, we still have other competitions to win.
输掉那场比赛没什么大不了的，大家还有其他比赛可以赢。