long

desire, wish, hope, expect, want, long

这些动词都有“希望”之意。
desire: 语气较正式庄重，着重渴望的力量与热切，常含有强烈的意图和目的。
wish: 语气较弱，多指难于实现或不可能实现的愿望。
hope: 指对愿望实现有一定信心的希望。
expect: 通常指有很大程度的把握，但仍含有预料之意，或预计某事或某行动的发生。
want: 一般指所想要的东西是切望得到的东西，能弥补实际需要。
long: 语气强，指极殷切地盼望着，这种盼望侧重于很难或不可能得到的东西。有时也指一般愿望，但含一定感情色彩。

yearn, long, thirst

这些动词均含“渴望”之意。
yearn: 通常指急迫不安地渴望或向往，着重怀有柔情或热情。
long: 指诚心诚意地渴望某事或物。
thirst: 原义指对食物或饮料的渴求，引申指全力以求。

动词 long:

1. desire strongly or persistently
   同义词：hanker, yearn

形容词 long:

1. primarily temporal sense; being or indicating a relatively great or greater than average duration or passage of time or a duration as specified
2. primarily spatial sense; of relatively great or greater than average spatial extension or extension as specified
3. of relatively great height
4. good at remembering
   同义词：retentive, recollective, tenacious
5. holding securities or commodities in expectation of a rise in prices
6. (of speech sounds or syllables) of relatively long duration
7. involving substantial risk
8. planning prudently for the future
   同义词：farseeing, farsighted, foresighted, foresightful, prospicient, longsighted
9. having or being more than normal or necessary:"long on brains"

副词 long:

1. for an extended time or at a distant time
2. for an extended distance

1. He no longer lives here.
   他不再住在这里了。
2. That girl will go a long way, I'm sure.
   我相信那姑娘很有前途。
3. It's been a long haul but at last this dictionary is published.
   经过千辛万苦这部词典才终於得以问世。
4. She longed to be back in China.
   她渴望回到中国。
5. I haven't known her long.
   我认识她不久。
6. She was slender and had long dark hair.
   她身材苗条，有一头长长的黑发。

long

adj.（形容词）
long.er,long.est 缩写 lg.

Extending a relatively great distance.
远距离的：延伸一段较长距离的
Having relatively great height; tall.
高的：有较大高度的；高的
Having the greater length of two or the greatest length of several:
较长的，最长的：两者之中较长的一个或多者之中最长的一个：
例句：
the long edge of the door.
门的长边

Of relatively great duration:
较长期间的：
例句：
a long time.
很长的时间

Of a specified linear extent or duration:
长：一定直线长度或期间的：
例句：
a mile long; an hour long.
一英里长；一小时之久

Made up of many members or items:
内容繁多的：由许多成员或项目组成的：
例句：
a long shopping list.
项目繁多的购物清单

Extending beyond an average or a standard:
超过的：延伸超过平均值或标准的：
例句：
a long game.
加时赛

Tediously protracted; lengthy:
长得乏味的；过长的：
例句：
a long speech.
冗长的演讲

Concerned with distant issues; far-reaching:
远大的，深远的：关系到远处的事物的；范围广的：
例句：
took a long view of the geopolitical issues.
深远的展望地缘政治学问题

Involving substantial chance; risky:
需要很多机会的；冒险的：
例句：
long odds.
冒险的赌注

Having an abundance or excess of:
具相当程度的：有丰富的或过多的…的：
例句：
.politicians whose résumés are long on competence.(Margaret Garrard Warner)
.政治家的简历皆显露不凡.(玛格丽特·加拉德·沃纳)

Having a holding of a commodity or security in expectation of a rise in price:
囤积居奇的：持有货物或证券等待物价上涨的：
例句：
long on soybeans.
囤积大豆

Linguistics
【语言学】
Having a comparatively great duration. Used of a vowel or consonant.
长音的：有较长持续时间的。用于元音或辅音
Of, relating to, or being a vowel sound in English, such as the vowel sound inmate or feet, that is historically descended from a long vowel.
长母音的：属于、关于或作为英语元音的，如mate 或 feet 中的元音按历史源于长元音

Stressed or accented. Used of a syllable in accentual prosody.
重音的：重读的或加重音的。用于重音韵律学中的音节
Being of relatively great duration. Used of a syllable in quantitative prosody.
拉长的：相当长的停顿。用于重音节诗体中的音节
adv.（副词）
During or for an extended period of time:
延长地：延长的一段时间的：
例句：
The promotion was long due.
早该提升了

At or to a considerable distance; far:
遥远的，远的：在或到达相当一段距离的；遥远的：
例句：
She walked long past the end of the trail.
她走到小径遥远的尽头

For or throughout a specified period:
长时间的：持续一定时间的或整个一段时间之内的：
例句：
They talked all night long.
他们谈了整整一个晚上

At a point of time distant from that referred to:
时间久远的：位于离所指的某一时间很远的一个时间点上的：
例句：
That event took place long before we were born.
这件事发生在我们出生以前很久

Into or in a long position, as of a commodity market.
保持长久的：处于或进入多头阵地的，如商品市场
n.（名词）
A long time:
长时间：
例句：
This won`t take long.
这不用费太长时间

Linguistics A long syllable, vowel, or consonant.
【语言学】 长音节：长音节、长元音或长辅音
One who acquires holdings in a security or commodity in expectation of a rise in price.
囤积商品者：持有证券或货物等待物价上涨的人

A garment size for a tall person.
宽大的尺寸：高个子的人的服装号码
longs Trousers extending to the feet or ankles.
longs 长裤：长及脚面或脚踝的裤子

<习惯用语>any longer
For more time:
用更多的时间：
例句：
can`t wait any longer.
不能再等了

as long as 或
so long as
During the time that:
在…的时间之内：
例句：
I`ll stay as long as I can.
我能呆多久就呆多久

Inasmuch as; since:
既然；因为：
例句：
As long as you`re up, get me a drink.
既然你已经起来了，给我弄点喝的

Under the condition that; provided that:
以…为条件；只要：
例句：
.So long as we don`t understand it too well, every other language is poetry.(Anatole Broyard)
.只要我们对别的语音还不太了解，它们就都是诗.(阿纳托尔·布鲁瓦亚尔)

before long
Soon.
很快
long ago
At a time or during a period well before the present:
以前：在现在以前的一个时间或一段时间：
例句：
I read that book long ago.
我很久以前读过那本书

A time well before the present:
很久以前：很久以前的一个时间：
例句：
heroes of long ago.
古代英雄

long in the tooth
Growing old.
变老
no longer
Not now as formerly:
不再：现在与以前不同：
例句：
He no longer smokes.
他不再吸烟了

not long for
Unlikely to remain for much more time in:
不大可能在…中存在很久：
例句：
not long for this world.
将不久于人世

the long and the short of it
The substance or gist:
内容或梗概：
例句：
You can look on the front page of the paper for the long and the short of it.
你可以看看第一页上的梗概

来源：
Middle English
中古英语
from Old English lang * see del-
源自 古英语 lang *参见 del-

long
long 2

v.intr.（不及物动词）
longed,long.ing,longs
To have an earnest, heartfelt desire, especially for something beyond reach.See Synonyms at yearn
渴望：有真挚的、由衷的愿望的，尤指对力不能及之物的渴望参见 yearn

来源：
Middle English longen
中古英语 longen
from Old English langian * see del-
源自 古英语 langian *参见 del-