Adjective:
not clearly understood or expressed;an obscure turn of phrase
an impulse to go off and fight certain obscure battles of his own spirit
their descriptions of human behavior become vague, dull, and unclear
vague…forms of speech…have so long passed for mysteries of science
not precisely limited, determined, or distinguished;an undefined term
undefined authority
some undefined sense of excitement
vague feelings of sadness
a vague uneasiness
lacking clarity or distinctness;a dim figure in the distance
only a faint recollection
shadowy figures in the gloom
saw a vague outline of a building through the fog
a few wispy memories of childhood
dark，dim，black，gloomy，obscure，vague，grey这些形容词都含有“完全地或不完全地缺少光亮”之意。
dark最普通用词，指缺乏自然光线或人工照明，使某物漆黑无光或光线十分微弱。
dim指光线不足或视力较差，不能清晰地看见物体。
black侧重颜色是黑色的，有时也指无光的黑暗。
gloomy指光线不足或部分光线受阻而出现的阴暗。
obscure指因光线不充足而使物体灰暗不清，失去光泽或若隐若现。作借喻时指因复杂、深奥或含糊而难于理解。
vague通常作借喻用，形容抽象事物。
grey与dark意思相近，但侧重阴暗单调的意味。
vague，dim，indefinite，obscure，ambiguous，faint这些形容词均含“不明确的，模糊的”之意。
vague多指因语言不确切，太笼统或因构思含糊、不完善而造成模糊难解。
dim侧重指或因光线暗淡，或因年代久远、身体欠佳等因素而产生视觉或察觉方面的困难。
indefinite指无明确定义或限定，重点或总体轮廓不明确。
obscure语气最强，指晦涩难懂。
ambiguous指文章或讲话中，意思可能有多种理解，令人捉摸不定。
faint指对某事物印象不深，或指声音微弱或希望的渺茫等。
16世纪40年代进入英语，直接源自古法语的vague；最初源自拉丁语的vagus，意为漫步，犹豫。nouvelle vague法=new wavevague pain隐痛vague aching of back and shoulder肩背沉酸
近义词 faintobscureambiguousindefinite反义词 cleardefinitedistinct
用作形容词adj.
用作定语
～+ n.Through the mist I could just make out a vague figure.透过雾霭,我只能看见一个模糊的人影。
He had a vague idea of finding Anne and explaining it all to her.他隐约觉得要去找安妮,向她解释所发生的一切。
I haven't the vaguest idea who he is.我根本不知道他是谁。
He returned only a vague answer.他只给了个含糊的回答。
用作表语
S+be+～The final letter is very vague; possibly an R or a K.最后一个字母很不清楚,可能是R,也可能是K。
Our holiday plans are still rather vague.我们的度假计划尚未明确。S+be+～+ prep .-phraseThey were vague and evasive about their backgrounds.他们对各自的背景含含糊糊,闪烁其词。
形容词99%,名词1%
His vague ideas crystallized into a definite plan.他那些模糊的想法变成了一个明确的计划。
His vague reply disconcerted us completely.他那含糊的回答弄得我们很为难。 And as happiness is the vaguest word on earth, it's hopeless.
那可是世界上最模糊的词了，它让人绝望。 blog.sina.com.cn
That line is supported by surveys showing that the level of Dutch backing for “ Europe” in the vaguest, most generalised sense has not dramatically fallen over recent years.
调查表明这种路线存在一定意义，因为从最为模糊和概括化的角度来说，荷兰支持“欧洲”的程度近年来并没有大幅度下降。 ecocn
The SDSR made no attempt to say, other than in the vaguest terms, what the army might be for after Afghanistan.
不用说其他条款，这个战略防御与安全评估也没有试图说明军队在阿富汗战争以后要何去何从。 renren
Adverse affects that showed up were ignored and reported in the vaguest possible way.
试验中显示的负面作用被忽略，并且以尽可能含糊不清的方式报告出来。 wholeveg
Describe project deliverables in the vaguest possible terms so sponsors and reviewers have plenty of leeway to reinvent the project outputs repeatedly as the project unfolds.
用尽可能模糊的语言描述项目可交付成果，让发起人及审核者随着项目的开展，能有足够的空间不断地重新定义项目成果。 yeeyan
Don't you have the vaguest idea where you left the key?
难道你一点也想不起把钥匙放在什么地方了吗？ blog.sina.com.cn
Even at the height of the dotcom boom, people had only the vaguest grasp of Cisco’s business.
即使在互联网繁荣的巅峰时期，人们对思科的业务也仅限于最模糊的认知。 ecocn
He has not the vaguest notion of what this means.
他连对这是什麽意思的模糊概念都没有。 iciba
I don't have the vaguest idea how to keep them straight in my mind.
我一点也不知道怎么把它们清楚记牢。 www.5d.cn
I h audio-videoe not the vaguest notion of where I left my umbrella.
我丝毫想不起把雨伞放在哪儿了。对于区别。 www.304d.net
I have not the vaguest notion of where I left my umbrella.
我丝毫想不起把雨伞放在哪儿了。 blog.sina.com.cn
I don't have the vaguest idea.
我不知道我对这一点概念都没有。 iths
In its weakest and vaguest sense, it means some sort of difficulty.
有其最弱和最模糊的感觉就意味着某些难点。 tdict
The breakthrough was not just being able to find or replay something from the past, but to find something in a vast hive of possibilities when only the vaguest clues are given.
这个突破不仅仅使找到或重现过去成为可能，更重要的是，当只给定最模糊的线索时，它也能够从无数的可能性中发掘出一些东西。 yeeyan
The key managerial processes are enormously complex and mysterious, drawing on the vaguest of information and using the least articulated of mental processes.
管理的关键过程极为复杂和神秘，是凭借最含糊的信息并用最难以言状的心智的过程。 fortunechina
Thus it follows that, of the three systems, socialism is the vaguest, the most indecisive, and, consequently, the most sincere stage of development.
因而可以说，这三种制度，社会主义最含混、最模糊，并且因此是最“真诚”的发展阶段。 blog.sina.com.cn
What they dealt in, how they laboured, to what end it all came, she had only the vaguest conception.
至于他们做的是什么买卖，他们如何做买卖，他们的买卖有些什么结果，对这些问题她只有一些最模糊的概念。 hotdic
Yet Mr Brown has given only the vaguest prescriptions, involving that valiant warhorse“ efficiency savings”, for correcting matters in future.
然而布朗先生只开了一个不明确的药方在未来纠正问题，当中牵涉到有效存款这味灵药，。 ecocn.org