1.Improve 提高：
Promote: 促进AC之间的贸易promote the trade between A and C; He was promoted to senior manager in this company.
Advance: our understanding of human genetics has considerably(非常的，可换做vastly) advanced.
Enhance: the publicity has enhanced his reputation.这次宣传提高了他的名望
Reinforce: reinforce the interference of the autority and its ability of macroeconomic control 加强政府的干预和宏观调控能力
2.change 改变：
Transform:多指改头换面，完全改变，不能用于形容slight change。说到人口变化：the increasing population has transformed the landscape and structure of local industry structure.人口剧增改变了小镇的景色以及当地的工业结构
3.Emphasize 强调：
Highlight：the report highlight the decline in the numbers of native(可以换作local) plants and insects.
highlight/emphase the significance/magnitude of… 强调…的重要性
Stress: He stresses the need for parents to listen to their children.
Accentuate: the crisis accentuates the gap between rich and poor.
Address: address the ponderance of manipulating the inosculation between… and… in the right perspective 强调正确处理…关系的重要性
(highlight and emphasize 的区别：highlight是告诉人们重点，因而能够让别人注意，类似于老师勾重点；而emphasize则是使重点清晰，不管别人是否能注意得到。而stress则和emphasize差不多)
4.Develop培养：
Cultivate: cultivate the ability of … ；培养情操；cultivate a more relaxed and positive way towards life.
Nurture: 养育，同样可以指培养人才（talents）the sea nutures ample marine animals.
5.Break 破坏：
Impair：impair ability; 主要是破坏能力，莫乱用。
Undermine这个词也是指的是抽象意义上的破坏，有逐渐削弱之意，重点是循序渐进的过程。Undermine one’s ability/confidence/authority/position/credibility
Jeopardize: 不能乱用，破坏的东西要上一定的等级才能配上此词。比如Jeopardize the process of peace.破坏和平进程
Devastate特指毁灭、蹂躏 the earthquake devastated the whole city.
6.Keep 保存
Preserve、Conserve 保护资源用的就是这个词，不要用protect，protect这个词用在保护具体的东西。
7.deal With解决
Tackle: tackle the problem.
Resolve: resolve dispute争论/conflict冲突/problem/issue/crisis危机；来自拉丁语，比较正式。
8.need 需要
Require：xxx requires courage and confidence.
Necessitate: 用法不简单，没有摸透。
call for（这也是个很高级的用法，奥巴马就用这个【我不晓得奥巴马咋个用的，原帖是这样说的，并且call for也挺正式的】）：跟need一样的用法
形容词替换：
1.Everywhere 普遍的
Widespread: 随便用
Prevalent：Drug abuse is especially prevalent among teenagers.
Overflow：泛滥 the garden is overflew with colors of flowers.
Rampant: 特指有害的东西泛滥，比如疾病，犯罪等，并且难于控制。H1n1 Virus is rampant in the world.甲流世界泛滥
2.Good 好的（太多了）
Impressive, glorious, amazing, brilliant, incredible, attractive…
Beneficial（反义词：detrimental）the drug is beneficial to the immune system.
be beneficial to fabricating conservation-minded and eco-friendly society 有助于建设两型社会
Advantageous: 特指有益的。Advantageous industry：优势产业
3.Harmful 有害的
Unfavorable, horrible, disgusting
Inhumane: 没人性的
lousy (I’m fed up with the lousy job.)
severe (severe problem, illness, injuries.)
abysmal(低谷：their performance is abysmal.)
Detrimental: smoking is detrimental to your health.
Baneful: 现阶段用不到，文学作品里面的“邪恶”，完全诘屈聱牙。
4.Rich 富有的
Wealthy、Affluent、ample
There are a myriad of stars in the Milky Way. (银河系好多星星啊！！)
5.Poor 贫穷的
Impoverished（动词表示使贫穷： The great depression had impoverished many third world countries.）an impoverished student.
7.Serious 严重的
Severe
8.Obvious 明显的
Manifest: a manifest error judge明显判断失误; Adv. Manifestly .e.g. a manifestly unfair system.
Apparent、Evident
Patent: patent impossibilities. 显然不可能的事。
9.cheap 便宜的
Economical：经济的，不浪费，而不是单纯指某物便宜。经济适用房：economically affordable housing。
Inexpensive=cheap
Reasonable：价格合理的。Reasonable price
Affordable：能够支付的。
名词替换：
1.Forefather 祖先
Ancestor、Predecessor
2.Difference不同
Gap（简单但是牛）沟，generation gap——very common use in CET-4/6
Distinction: sharp/clear distinction between allergy and food intolerance (TBBT里面的Howard就有lactose intolerance，一吃peanuts就会肿，长荨麻疹rash哈哈。)
再想牛就用schism。比如“填平两个分支学科之间的分歧”heal the schism between clinical medicine and public health.(有本书就叫这个。)
3.Crime 犯罪
Delinquency：一般crime都用不到。指道德败坏，违法行为，为显示词汇量可以与crime连用
Criminal Act：犯罪行为
4.Environment 环境
Circumstance：under the circumstances. 相当抽象的词，“情况”。
Surrounding：表示周围居住的环境，相当具体。Nearby可与之互换。The surrounding area. 有细心的同学指出如果surrounding单独用作“环境”的话，后面必须要加复数——surroundings，我查了字典后发现的确是这样，而不加复数则只能归到形容词。
Atmosphere、Ambience：这两个词可替换，但是当atmosphere表示大气层的意思的时候则不能。
5.Pollution 污染
Contamination: 我觉得太装B了，他的pp还不错：contaminated water—特指被污染的水
6.Human 人类
Individual/men/ones/以及一切表示工人，农民公务员等等的词
The human race
Humankind
Humanity：特别指出，用来表示人性。其他一概不要用。虽然也有人之类的意思。
7.Danger 危险
Hazard：化学、物理危害；隐患：polluted water is a hazard to wild life and nature；safety/nature hazard.
8.In modern society 在当今社会
In contemporary society
In present-day society
In this day and age（这是最牛的说法）
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