ominous
【考法 1】 adj. 凶兆的: of or being an omen, especially an evil one
【例】 an ominous threat of war 战争来临的凶兆
【近】 baleful, foreboding, inauspicious, portentous, sinister, threatening, minatory
【反】 auspicious, unthreatening 吉兆的,不具有威胁的
omniscient
【考法 1】 adj. 无所不知的: possessed of universal or complete knowledge
【例】 an omniscient deity 无所不知的神
【反】 vacuous 无知的
onerous
【考法 1】 adj. 费时间花心思的: requiring much time, effort, or careful attention
【例】 building the scale model of the frigate was an onerous task 建造军舰的小模型非常花时间
【近】 arduous, burdensome, challenging, exacting, grueling, taxing, toilsome
【反】 requiring little effort, light, nondemanding, unchallenging, undemanding 轻松的,不费劲的
opaque
【考法 1】 adj. 不透光的:impenetrable by light; neither transparent nor translucent
【近】blurry, dim, misty, murky, obscure, shadowy, unclear
【反】diaphanous, transparent 精致透明的
【考法 2】 adj. 晦涩的:so obscure as to be unintelligible
【例】opaque prose 晦涩的诗歌
【近】ambiguous, arcane, enigmatic, equivocal, inscrutable, occult
【反】clear, accessible, obvious, plain, unambiguous, unequivocal 清晰易懂的
opine
【考法 1】 vt. 表达观点: to express opinions
【例】 You can opine about any subject you like. 你可以畅所欲言。
【近】 comment, editorialize, note, observe, reflect, weigh in
opportune
【考法 1】 adj. 合适的,适当的: suitable or convenient for a particular occurrence
【例】 an opportune moment 方便的时机
【近】 seasonable, well-timed
【反】 inconvenient, untimely, inappropriate, unseasonable 不合适的
opprobrious
【考法 1】 adj. 辱骂的: expressing contemptuous reproach; scornful or abusive
【例】 opprobrious language 脏话
【近】 scurrilous, vitriolic, vituperative, contumelious
【考法 2】 adj. 臭名昭著的,令人鄙视的: bringing disgrace; shameful or infamous
【例】 opprobrious conduct 令人鄙视的行为
【近】 discreditable, disgraceful, dishonorable, ignominious, infamous, notorious, shameful, unrespectable
【反】 irreproachable, honorable, reputable, respectable 无可指责的,受人尊敬的
【派】 opprobrium 恶名
【反】 good repute 好名声
oration
【考法 1】 n. (颇有野心、自高自大的)演说: a speech delivered in a high-flown or pompous manner
【近】 address, declamation, harangue, peroration
orient
【考法 1】 vt. 确定方向,使熟悉或适应: to set or arrange in any determinate position especially in relation to the points of the compass; to make familiar with or adjusted to facts, principles, or a situation
【例】 orient students toward a career in medicine 指导学生从事医学的职业道路
【近】 accustom, familiarize, initiate, introduce, orientate
【反】 confuse 使迷惑
original
【考法 1】 adj. 创新的: independent and creative in thought or action :inventive
【例】 The car has a highly original design. 这车的设计很新颖
【近】 ingenious, innovative, inventive
【反】 commonplace, banal, trite, familiar, hackneyed, time-honored, tired, warmed-over 陈腐的
【考法 2】 adj. 最初的,最早的: coming before all others in time or order
【例】 the original plan had to be discarded when the situation changed drastically 当环境发生剧烈变化时,最初的计划就该被放弃
【近】 earliest, foremost, headmost, inaugural, initial, leadoff, maiden, pioneer, premier, virgin
【反】 final, last, latter, terminal, ultimate 最终的
adj. 傲慢的,自大的,浮华的