apprehend vt 憂慮,畏懼,捕捉(fear,capture)
apprentice n 學徒(disciple)
arable adj 適于耕種的(farmable,fruitful)
ardent adj 極熱心的,熱情的(passionate,enthusiastic,fervent,zealous)
ardor n 熱心(enthusiasm)
arduous adj 險峻的,困難的(strenuous,laborious,backbreaking)
arid adj 干旱的(barren,infertile,dry) aristocrat n 貴族(blue blood)
arithmetic n 算術
armament n 兵力,軍力(arms ,munitions)
armor n 裝甲,武器
aroma n 香氣,芬芳,芳香(fragrance,scent,perfume)
arrogance n 傲慢ascent n 攀登,登高,追溯(climb)
ascetic adj 苦行的(austere,rigorous,strict)
asperse vt 誹謗(slander)assail vt 猛擊,決然面對(attack,assault)
assassinate vt 暗殺,行刺
assiduous adj 勤勉的(diligent,industrious)
assign vt 分配,指派(allot,distribute)
assuage n 緩和(alleviate,mitigate,soothe)
astound vt 使驚異(surprise,astonish)
assumption n 就職,假設(supposition,hypothesis)
astronomy n 天文學
astute adj 機敏的,狡猾的(shrewd,canny)
atheism n 無神論
attainment n 成就(accomplishment,achievement)
attorney n 代理人,辯護律師
attribute n 性質(characteristic,quality,trait)
attrition n 磨損(wear and tear)
audition n 試聽,面試
auditor n 審計員,旁聽者
auditorium n 大禮堂
aura n 氣味,氣氛(atmosphere,mood)
auspice n 前兆
auspicious adj 吉兆的,幸運的(promising,favorable)
austerity n 節(jié)儉,嚴峻
authentic adj 可靠,有根據(jù),真實的(genuine,real)
authoritative adj 權威性的,官方的
authorize v 授權(empower,permit)
authority n 權威
autocrat n 獨裁者
avalanche n 雪崩
avarice n 貪婪(greed,lust)
aversion n 厭惡(dislike,distaste)
aviator n 飛行家(pilot)
avid adj 熱切的,貪婪的(eager,greedy)
avow vt 公開,承認(acknowledge,declare,admit)
abstinence n 禁戒,節(jié)制
abstruse n 深奧的(complicated,profound)
abundant adj 充裕的(sufficient)
abate v 減少(lessen,diminish,dwindle,subside)
abdicate vt 放棄權力(abandon)
abduct vi 綁架,誘拐(kidnap)
abhor vt 憎惡(detest,despise,loathe)
abhorrent adj 可惡的,可恨的(detestable)
ablaze adj 閃耀的(gleaming,glowing)
abortive adj 失敗的(unsuccessful)
abstain vi 戒絕
acumen n 敏銳(acuteness)
adage n 格言,諺語(proverb)
adept adj 擅長的(adroit,apt)
adherent adj 依附的,n 信奉者(adhesive,sticky,supporter)
adhesive adj 黏著的, n 粘著物(sticky)
adjoin vt 貼近,毗連,靠近(abut)
adjourn vt 延期(defer,delay)
adroit adj 機巧的(skillfull,adept,deft)
admonish vt 警告(warn)
adopt vt 采用,收養(yǎng)(introduce,foster)
affable adj 和藹可親的(genial,benevolent)
accentuate vt 重讀,強調(emphasize,underline,highlight,underscore)
acclaim v 喝彩,歡呼,稱贊(applaud,approve)
accomplished adj 完成的,熟練的(experienced)
accost vt 向人搭話(address,speak to)
accredit vt 歸功于(ascribe,attribute)
acquit vt 宣告無罪(exonerate,vindicate)
acrimonious adj 尖酸的(bitter,spiteful)
acrimony n 刻薄
acting adj 代理的(substitutive)
algebra n 代數(shù)
alienate vt 使疏遠(estrange)
alkali n 堿
allegiance n 忠誠(loyalty,fidelity)
allegory n 諷喻,寓言(fable)
alleviate vt 使減輕(mitigate,pacify,soothe)
allot vt 分配,指派(allocate,distribute,apportion)
allude vi 提及,暗指(refer,imply)
allure vt n 引誘(attract,fascinate,captivate,tempt)
allusion n 引述,暗指(quotation)
altruism n 利他主義
aluminum n 鋁
alumnus n 男校友
amalgamate vt 混合,合并(combine,incorporate)
amass vt 收集,積聚(accumulate)
amateur adj 業(yè)余的,n業(yè)余愛好者(nonprofessional)
amenable adj 有責任的,肯接受的(responsible)
amiable adj 友善的,和藹的(congenial,affable)
amicable adj 和平的,和睦的(harmonious,peaceable)
amplify v 放大(enlarge)
anecdote n 軼聞
anguish n 極度痛苦,苦悶,vi 使苦惱(agony,distress)
animated adj 有生氣的,熱烈的(lively,vivacious)
annex vt 附加(add,append)n 附件
annihilate vt 消減(destroy,vanish)
annotate vt 注解(note)
annul v 廢除,取消(abolish,repeal)
anomalous adj 反常的(irregular,abnormal)
anomaly n 異例,異常,變態(tài)(exception)
anonymous adj 匿名的(unknown,unnamed)
antagonism n 敵對(opposition,hostility,enmity)
antagonist n 敵手(opponent)
antique adj 古代的(archaic,obsolete,outdated)
antiquity n 古代
antiseptic adj 防腐的,殺菌的,n消毒劑
anxious adj 渴望的(keen,eager)
aperture n 孔,開口(opening)
apex n 頂點,最高點(acme,summit,zenith,peak)
affiliate v 加盟,入會(associate,ally)
affinity n 類似處,密切關系(similarity,liking)
affirm vt 斷言,批準,證實
afflict vt 使痛苦,折磨(torture)
aggravate vt 惡化(worsen,intensify)
aghast adj 驚駭?shù)?,恐怖?shocked,horrified,astounded)
aggression n 侵犯(attack)
agile adj 敏捷的,活潑輕快的(nimble,alert,brisk)
agitate vt 煽動(incite,provoke,instigate)
agonize vi 使受苦,使苦悶(torture)
agrarian adj 土地的,農業(yè)的(agricultural,rural,rustic)