obstruct
【考法 1】 vt. 妨碍，制造困难： to impede, retard, or interfere with; hinder; to create difficulty for the work or activity of
【例】 He was charged with obstructing justice by lying to investigators. 他被指控向检察官说谎，妨碍司法。
【近】 encumber, fetter, handicap, hinder, impede, inhibit, stymie, interfere with
【反】 facilitate, abet, aid, assist 促进，帮助
【考法 2】 vt. 阻挡： to prevent passage through by filling with something
【例】 an unobstructed view 无阻碍的视野
【近】 occlude 堵塞
【反】 clear, free, open up, unblock, unclog, unplug, unstop
obtuse
【考法 1】 adj. 愚钝的： not having or showing an ability to absorb ideas readily
【例】 Are you being deliberately obtuse? 你是故意装笨吗?
【近】 dumb, fatuous, mindless, oafish, opaque, senseless, unintelligent, vacuous
【反】 insightful, apt, brainy, bright, brilliant, clever, fast, intelligent, keen, nimble, quick, quick-witted, sharp,sharp-witted, smart 有洞察力的，智慧的
obviate
【考法 1】 vt. 排除，使不必要： to anticipate and prevent (as a situation) or make unnecessary (as an action)
【例】 The new treatment obviates the need for surgery. 新的疗法使手术不再是必须的。
【近】 avert, forestall, preclude, stave off, head off
occult
【考法 1】 adj. 难以理解的： not easily apprehended or understood : abstruse, mysterious
【例】 an occult reference in the text that has puzzled scholars 文章中一处晦涩的难倒了学者们的引注
【近】 ambiguous, arcane, equivocal, inscrutable, opaque, impenetrable
【反】 bare, manifest, patent, readily fathomable 暴露的，可理解的
【考法 2】 v. 使隐藏或神秘： to keep secret or shut off from view
【例】 occulted their house from prying eyes by planting large trees around it 在住所周围种满大树防止别人
偷窥 || the actor's private life had long been occulted by a contrived public persona 演员的私人生活被一个精心打造的公众形象所遮掩
【近】 belie, blanket, cloak, conceal, cover, curtain, disguise, enshroud, mask, obscure, screen, shroud, suppress,
veil, blot out, paper over
【反】 bare, disclose, display, divulge, expose, reveal, show, uncloak, uncover, unmask, unveil 暴露
odium
【考法 1】 n. 憎恶，讨厌： strong dislike, contempt, or aversion
【例】 time did nothing to diminish the odium in which the traitor lived out his days 时间也没有减少大家对这个叛徒的唾弃
【近】 ignominy, infamy, obloquy, opprobrium
【反】 esteem, honor, respect, hankering, infatuation 尊敬，渴望，着迷
offbeat
【考法 1】 adj. 不平常的： noticeably different from what is generally found or experienced
【例】 this writer has an enjoyably offbeat sense of humor 这个作者笑点很奇特
【近】 extraordinary, peculiar, queer, unaccustomed, uncommon, uncustomary, out-of-the-way
【反】 conventional, bathetic, hackneyed, common, ordinary, plain, usual 传统陈腐的，平常普通的
offhand
【考法 1】 adj. 即兴的，没有准备的： without premeditation or preparation
【例】 couldn't give the figures offhand
【近】 ad-lib, extemporary, impromptu, improvised, unplanned, unpremeditated, unrehearsed
【反】 considered, planned, premeditated, prepared, rehearsed 事先谋划的
officious
【考法 1】 adj. 多管闲事的： thrusting oneself where one is not welcome or invited
【例】 an officious little man who was always telling everyone else how to do their jobs 一个多管闲事的人，总喜欢对他人的事情指手画脚
【近】 interfering, intruding, meddlesome, obtrusive, presuming, prying, snoopy
【反】 unobtrusive 不引人注目的
offish
【考法 1】 adj. 冷淡的： Inclined to be distant and reserved; aloof
【例】 consistently surly and offish with the would-be suitors who came calling 对于追求者总是阴沉并且冷淡
【近】 aloof, detached, distant, remote, unbending, unsociable
【反】 sociable, cordial, friendly, social, warm 热情的
off-key
【考法 1】 adj. 不寻常的，不合适的： being out of accord with what is considered normal or appropriate
【例】 a high-flown, off-key speech by a newcomer 来自于新手的颇有野心、不寻常的一次演讲