1. important =crucial (extremely important),significant(amount or effect large enough to be important)

　　2.common=universal, ubiquitous(if something is ubiquitous, it seems to be everywhere)

　　3.abundant=ample(enough and usually extra), plentiful(enough for people's needs and wants)

　　4.stick=adhere, cling(hold on something tightly)

　　5.neglect=ignore.(difference: neglect means someone has not paid enough attention to something; ignore means no attention.)

　　6.near=adjacent(twothings next to each other), adjoin(the same as adjacent)

　　7.pursue=woo(man woos woman, old-fashioned), seek(if you seek sth, you try to obtain it. FORMAL)

　　8.accurate=precise(precise is exact and accurate in all details), exact(correct in every detail)

　　9.vague=obscure(unknown or known by only a few people)

　　10.top=peak, summit

　　11.competitor=rival, opponent(especially in sports and politics)

　　12.blame=condemn(if you condemn something, you say it is very bad and unacceptable)

　　13.opinon=perspective, standpoint(means looking at an event or situation in a particular way)

　　14.fame=prestige(describe those who are admired), reputation

　　15.build=erect(you can erect something as buildings, FORMAL), establish

　　16.insult=humiliate(do something or say something which makes people feel ashamed or stupid)

　　17.complain=grumble (complain something in a bad-tempered way)

　　18.primary=radical (very important and great in degree), fundamental

　　19.relieve=alleviate (alleviate means you make pain or sufferings less intense or severe)

　　20.force=coerces into(coerce means you make someone do something s/he does not want to),compel

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　　21.enlarge=magnify(magnify means make something larger than it　really is)

　　22.complex=intricate(if something is intricate, it often has many small parts and details)

　　23. Lonely=solitary (if someone is solitary, there is no one near him/her)

　　24.small=minuscule(very small), minute,

　　25.praise=extol(stronger than praise), compliment(polite and political)

　　26.hard-working=assiduous(someone who is assiduous works hard or does things very thoroughly)

　　27.difficult=arduous (if something is arduous, it is difficult and tiring, and involves a lot of efforts)

　　28.poor(soil)=barren, infertile(used to describe the soil is so poor that plants cannot be planted on it)

　　29.fragile=brittle, vulnerable(someone who is vulnerable is easily hurt emotionally or physically)

　　30.show=demonstrate (to demonstrate a fact means tp make it clear to people.)

　　31.big=massive(large in size, quantity, or extent), colossal(use this word, you emphasize something’s large), tremendous(INFORMAL) joozone.com