很多
能够able→ capable, in a(ny) position
一直all the time→ continually, continuously, constantly, perpetually
许多地a lot→ noticeably, considerably, a great deal, substantially
许多的a lot of→ many, numerous, a wide variety of (themes), a whole range of, a wide spectrum of (problems, themes, etc),an abundance of (opportunities, sources etc.)
总是always→ invariably
数量amount→ quantity
结果as a result→ consequently
本质上basically→ essentially, in essence, substantially
组成be, amount to→ constitute
下降become smaller→ be on the decline, be on the decrease, decline, decrease, diminish, dwindle, recede 等等
变糟糕become worse→ deteriorate
在 之前before→ prior to
开始begin→ commence
更好better→ superior
习惯于be(come) used to→ be accustomed to
严重的，重大的big→ major, significant, substantial
执行carry out→ conduct, execute, commit, implement
更改change→ alter, alteration, modify, modification
办理，执行do→ conduct, transact(business)
未能do not→ fail to, omit to
结果end→ conclusion (to bring sth. to a conclusion)
充足的enough→ ample, sufficient, adequate (grounds, evidence, preparation, resources etc.)
普遍的，透彻的everywhere→ ubiquitous(mistakes), pervasive (influence)
适当地fairly→ comparatively, moderately, reasonably
弄清楚find out→ ascertain (the cause of sth., the truth of sth., whether sth. is true or not, what really happened etc); discern, discover (the cause of, factors behind sth. etc.)
适当的fitting→ proper, appropriate
憎恨hatred→ animosity
含有have→ contain, be equipped with, possess
假如if→ in the event of, in case (of)
最终in the end→ eventually, finally, ultimately
保持，一贯keep (doing)→ continue, continually, continuously, consistently, constantly, persist in
了解know→ be aware of, conversant with, familiar with
之后的later→ subsequent(ly)
越来越少less and less→ decreasing(ly)
准许let, allow→ permit
喜欢like→ to be partial to sth., liking
喜好liking→ predilection for sth, partiality for sth.
冗长的long→ extensive(coverage, footnotes, passages, scope), protracted (delay, negotiations), 长时间的prolonged(illness, interrogation)
look at→ consider, examine (argument, fact), explore, investigate (possibility), observe (behaviour)
money→ funding, funds, resources
more and more→ increasingly
much→ considerably, substantially(相当的，可观的)
need→ demand, require
next to→ adjacent
now→ at present, at this juncture, at this moment, currently
often→ frequent(ly)
quick(ly)→ rapid(ly), prompt(ly)
rich, wealthy→ affluent, opulent(society, life-style)
right→ appropriate, correct, proper
rough(ly)→ approximate, correct, proper
set up→ establish (a new state, a government, a business), institute (custom, inquiry, restrictions, democracy, rule, government)
sharp→ abrupt, drastic (rise and falls)
show→ demonstrate, evince, manifest
→ reveal, divulge
side→ aspect(of a problem)
small→ minor/insignificant (problems, differences etc), marginal (differences)
therefore→ consequently
thing→ element, aspect, object, factor, consideration
too→ excessively, inordinately, unduly
too many→ an excessive number of, a disproportionate number of
too much→ excessive(ly)
try→ endeavor, strive
understand→ appreciate
ups and downs→ vicissitudes (of war, history, fortune)
very→ extremely, in the extreme, immensely, intensely
yield→ produce(results)
大家如果感觉某些词用的太过频繁，不妨换个词，往往能够为文章增色不少。