1.build一般指“建造”建筑物和机械等，当然也可以用于引申意义的“建、创等”，一般译为：建筑;建造;创建;开发;逐渐增强；看经典例句：
build 所建的可以是house\road\railway\ship\aircraft\car\generator\library等等
build 引申意义所建的可以是socialism\China\business\relations等等。
They have permission to build 200 new houses.
他们得到建200座新房的许可。
Building a new road here will force house prices down.
在这里修建一条新道路将使房价下跌。
We're going to build a house on this lot.
我们打算在这块地上建造一座房子。
The new wing was built onto the hospital last year.
医院的新翼楼是去年增建的。
The government plans to build new houses for local people.
政府计划为当地居民建造新住宅。
She's built a new career for herself.
她为自己开辟了一条新的谋生之路。
We want to build a better life.
我们想创造更美好的生活。
This information will help us build a picture of his attacker.
这条信息将有助于描画出袭击他的人的相貌。
We want to build a better life.
我们想创造更美好的生活。
She's built a new career for herself.
她为自己开辟了一条新的谋生之路。
He built this business from scratch.
他白手起家建立了这家企业。
2.build up (to sth)
建立（多含逐渐地、慢慢地建）、打造、加大；加强；增多; （使）积聚；（使）逐渐增加; 增强…的体质；建立…的信心; 吹捧；抬举
多用于引申意义，描述的多为趋向于一种无形的抽象的主体：
It takes time to build up intimacy.
建立亲密关系是需要时间的。
We first build up a detailed profile of our customers and their requirements.
首先，我们建立起我们的客户及其需求的详细资料。
We can try to build up a rough system of the value of the right to education.
可以尝试建立一个粗略的受教育权价值体系。
They took great pains to build up their influence there.
他们花很大气力在那里培植他们的势力。
The more confidence you build up in yourself, the greater are your chances of success.
树立的自信心越强，成功的把握就越大。
It is easier to pull down than to build up.
拆房容易盖房难。
The team built up a safe cushion of two goals in the first half.
那支球队上半场射进两球，奠定了稳操胜券的基础。
The regime built up the largest army in Africa.
该政权逐渐建立起一支非洲规模最大的军队。
Build her up with kindness and a sympathetic ear.
用友善和富有同情心的倾听来重拾她的信心。
It may take a few weeks for you to build up your strength again.
可能需要几个星期你才能恢复体力。
She has always been encouraged to swim to build up the strength of her muscles
一直有人鼓励她去游泳以强健体魄。
He tried to build up his strength.
他试图增进体质。
Build up your tan slowly and don't allow your skin to burn
慢慢地将皮肤晒成古铜色，小心别让太阳把皮肤晒伤。
All the pressure built up and he was off work for weeks with stress.
各方面的压力越来越大，他因负荷太重有好几个星期没上班。
But at sea the wind can build up giant, powerful waves.
但是在海上，风能形成巨大强劲的波浪。
The music builds up to a rousing climax.
音乐逐渐达到了令人振奋的高潮。
The play was built up to be a masterpiece but I found it very disappointing.
那部戏被捧为杰作，可我却大失所望。
The media will report on it and the tabloids will build it up...
媒体会报道此事，小报则会大肆吹捧。
She's built up a very successful business.
她创办的生意很红火。
He has built up a good business over the years.
几年来他生意做得很兴旺。
He built up the business over a period of ten years.
他用了十年时间把这个企业创建起来。
He built up his multimillion-pound music business from small beginnings.
他从小本生意起步，逐步建立起了数百万英镑的音乐企业。
We are going to use our outstanding services, quality and technology to build up the impressive image for our customers.
我们将以一流的服务、一流的品质以及一流的技术与客户携手共同打造一个全新的丝印行业形象。
She's built up a good stock of teaching materials over the years.
这些年来她积累了大量教学资料。
He stumped around the country trying to build up support.
他在全国各地巡回演讲，争取更多的支持。
These finds help us build up a picture of life in the Middle Ages.
这些发现有助于建构中世纪的生活画面。
I am anxious not to build up false hopes .
我非常着意不要让大家期望过高。
He takes the road of collective prosperity instead of trying to build up family fortunes.
他走集体富裕的道路，不搞个人发家致富。
Agriculture and industry are the base on which to build up the nation.
工农业乃立国之本。
试比较：
build a library建图书馆
build up a library扩大图书馆的藏馆量或逐渐增加图书馆的存书、逐渐收藏或丰富图书
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