	She had long dark hair. 她留着黑黑的长发。
	He walked down the long corridor. 他沿长廊走去。
	It was the world's longest bridge. 那座桥当时是世界上最长的。
	a long journey/walk/drive/flight 长途旅行╱步行╱驾驶╱飞行
	We're a long way from anywhere here. 我们这里离任何一个地方都很远。
	It's a long way away . 那儿离这里很远。

2.	（询问或谈论长度或距离）长used for asking or talking about particular lengths or distances

	How long is the River Nile? 尼罗河有多长？
	The table is six feet long. 那张桌子长六英尺。
	The report is only three pages long. 这份报告仅有三页。

时间time

3.	长时间的；长久的；长期的lasting or taking a great amount of time or more time than usual

	He's been ill (for) a long time . 他生病很久了。
	There was a long silence before she spoke. 沉默了很长时间她才开口。
	I like it now the days are getting longer(= it stays light for more time each day) . 白天越来越长了，我很喜欢。
	a long book/film/list(= taking a lot of time to read/watch/deal with) 篇幅长的书；放映时间长的电影；一份很长的清单
	Nurses have to work long hours(= for more hours in the day than is usual) . 护士都不得不长时间地工作。
	He stared at them for the longest time(= for a very long time) before answering. 他盯着他们看了好长时间才回答。

4.	（询问或谈论某段时间）used for asking or talking about particular periods of time

	How long is the course? 这门课程要念多久？
	I think it's only three weeks long. 我想只有三个星期长。
	How long a stay did you have in mind? 你原打算待多长时间？

5.	（因忙或不愉快等）似乎比实际时间长的seeming to last or take more time than it really does because, for example, you are very busy or not happy

	I'm tired. It's been a long day. 我累了。这一天可真够长的。
	We were married for ten long years. 我们结婚有十年之久了。

衣物clothes

6.	长的（完全或大部分覆盖腿或臂的）covering all or most of your legs or arms

	She usually wears long skirts. 她通常穿长裙。
	a long-sleeved shirt 长袖衬衫

元音vowel sounds

7.	长音的taking more time to make than a short vowel sound in the same position

IDM

There's a list of repairs as long as your arm.

有一份长得要命的修理单。

as long as your arm

(informal)

很长very long

There's a list of repairs as long as your arm.

有一份长得要命的修理单。

At long last his prayers had been answered.

他的祷告终于应验了。

at long last

最后；终于after a long time

At long last his prayers had been answered.

他的祷告终于应验了。

It will take an hour at the longest.

这事最多花一小时。

at the longest

最长，至多（不超过某特定时间）not longer than the particular time given

It will take an hour at the longest.

这事最多花一小时。

by a long way

大量地；大大地by a great amount

We go back a long way, he and I.

我跟他，我们俩相识很久了。

go back a long way

相识很久to have known each other for a long time

We go back a long way, he and I.

我跟他，我们俩相识很久了。

	She seems to make her money go a long way. 看起来她用钱细水长流。
	A small amount of this paint goes a long way(= covers a large area) . 这种涂料用一点就可涂一大片。
	I find that a little of Jerry's company can go a long way(= I quickly get tired of being with him) . 我发觉跟杰里待上一会儿就受不了啦。

go a long way

经用；够维持很长时间to last a long time

	She seems to make her money go a long way. 看起来她用钱细水长流。
	A small amount of this paint goes a long way(= covers a large area) . 这种涂料用一点就可涂一大片。
	I find that a little of Jerry's company can go a long way(= I quickly get tired of being with him) . 我发觉跟杰里待上一会儿就受不了啦。

We've come a long way since the early days of the project.

这项目开始以来我们已取得很大进展。

have come a long way

取得大的进步；大有长进to have made a lot of progress

We've come a long way since the early days of the project.

这项目开始以来我们已取得很大进展。

She still has a long way to go before she's fully fit.

她还需要很长时间才能完全恢复健康。

have a long way to go

还有很长的路要走；还有很大差距to need to make a lot of progress before you can achieve sth

She still has a long way to go before she's fully fit.

她还需要很长时间才能完全恢复健康。

‘How long will it take?’ ‘How long's a piece of string?’

“需要多长时间？”“没准儿。”

how long is a piece of string?

(informal)

一条线有多长（意指没有确切的答案）used to say that there is no definite answer to a question

‘How long will it take?’ ‘How long's a piece of string?’

“需要多长时间？”“没准儿。”

This measure inevitably means higher taxes in the long run.

从长远来看这项措施的结果免不了要多纳税。

in the long run

从长远来看concerning a longer period in the future

This measure inevitably means higher taxes in the long run.

从长远来看这项措施的结果免不了要多纳税。

its a long story

(informal)

一言难尽；说来话长used to say that the reasons for sth are complicated and you would prefer not to give all the details

There is no escape from the long arm of the law.

法网恢恢，疏而不漏。

the long arm of sth

（某事物的）权力，权威the power and/or authority of sth

There is no escape from the long arm of the law.

法网恢恢，疏而不漏。

the long and (the) short of it

总而言之；总的情况used when you are telling sb the essential facts about sth or what effect it will have, without explaining all the details

(pull, wear, etc.) a long face

闷闷不乐；哭丧着脸；愁眉苦脸(to have) an unhappy or disappointed expression

long in the tooth

年齿渐长；老朽old or too old

The government is long on ideas but short on performance.

这个政府想法很多但成效太少。

long on sth

(informal)

擅长；颇具（某种特性）having a lot of a particular quality

The government is long on ideas but short on performance.

这个政府想法很多但成效太少。

It's a long shot, but it just might work.

没有什么把握，但也许行得通。

a long shot

成功希望不大的尝试；把握不大的猜测；姑妄一猜an attempt or a guess that is not likely to be successful but is worth trying

It's a long shot, but it just might work.

没有什么把握，但也许行得通。

long time no see

(informal)

好久不见了used to say hello to sb you have not seen for a long time

It's not over yet─not by a long chalk.

这事还没有了结，还差得远呢。

not by a long chalk

差得远；绝不；一点也不not nearly; not at all

It's not over yet─not by a long chalk.

这事还没有了结，还差得远呢。

We need to take a long hard look at all the options.

我们需要十分谨慎地考虑所有的选择。

take a long (cool/hard) look at sth

极其慎重地考虑（问题或可能性）to consider a problem or possibility very carefully and without hurrying

We need to take a long hard look at all the options.

我们需要十分谨慎地考虑所有的选择。

take the long view (of sth)

从长远考虑to consider what is likely to happen or be important over a long period of time rather than only considering the present situation

to cut a long story short

(informal)

长话短说；扼要地说；简而言之used when you are saying that you will get to the point of what you are saying quickly, without including all the details

adv.

1.	长期地；长久地for a long time

	Have you been here long? 你来这里时间长吗？
	Stay as long as you like. 你愿待多久就待多久。
	The party went on long into the night. 聚会持续到深夜。
	This may take longer than we thought. 这事花的时间也许比我们预料的要多些。
	I won't be long(= I'll return, be ready, etc. soon) . 我一会儿就行。
	How long have you been waiting? 你等了多久了？
	These reforms are long overdue. 这些改革早就该进行了。

2.	（在某一时间或事件之前或以后）很久地a long time before or after a particular time or event

	He retired long before the war. 他在战争之前早就退休了。
	It wasn't long before she had persuaded him(= it only took a short time) . 她没用多久就把他说服了。
	We'll be home before long(= soon) . 我们很快就要到家了。
	The house was pulled down long ago . 那栋房子很久以前就被拆掉了。
	They had long since(= a long time before the present time) moved away. 他们早就搬走了。

3.	（用于名词后强调某事发生在某整段时间）used after a noun to emphasize that sth happens for the whole of a particular period of time

	We had to wait all day long . 我们不得不整天等候着。
	The baby was crying all night long . 婴儿整夜在哭。
	They stayed up the whole night long . 他们彻夜未眠。

IDM

We'll go as long as the weather is good.

只要天气好我们就去。

So long as there is a demand for these drugs, the financial incentive for drug dealers will be there.

只要对这些毒品有需求，就存在着对贩毒者的经济诱因。

as/so long as

只要only if

We'll go as long as the weather is good.

只要天气好我们就去。

既然；由于；就…来说since; to the extent that

So long as there is a demand for these drugs, the financial incentive for drug dealers will be there.

只要对这些毒品有需求，就存在着对贩毒者的经济诱因。

	Will you be away for long? 你要离开很久吗？
	I'm sorry I haven't written to you for so long. 真抱歉，我这么长时间未给你写信。

for (so) long

长久地；（这么）长时间地for (such) a long time

	Will you be away for long? 你要离开很久吗？
	I'm sorry I haven't written to you for so long. 真抱歉，我这么长时间未给你写信。

What do I think about it? How long have you got?

这事我是怎么想的？说来话长，你有时间听吗？

how long have you got?

(informal)

你有多少时间（指需要很长时间来解释）used to say that sth is going to take a long time to explain

What do I think about it? How long have you got?

这事我是怎么想的？说来话长，你有时间听吗？

long live sb/sth

…万岁；…万古常青used to say that you hope sb/sth will live or last for a long time

	I can't wait any longer. 我不能再等了。
	He no longer lives here. 他不再住这儿了。

no/any longer

不再；不复used to say that sth which was possible or true before, is not now

	I can't wait any longer. 我不能再等了。
	He no longer lives here. 他不再住这儿了。

so long

(informal)

再见goodbye

— see also

longed-for

1.	[i] （尤指对看似不会很快发生的事）渴望to want sth very much especially if it does not seem likely to happen soon

	Lucy had always longed for a brother. 露西一直渴望有个弟弟。
	He longed for Pat to phone. 他期盼着帕特来电话。
	I'm longing to see you again. 我渴望再次见到你。