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barron词汇 O

barron词汇 O



2343. oaf

释义: stupid, awkward person

例句: He called the unfortunate waiter a clumsy oaf.



2344. obdurate

释义: stubborn

例句: He was obdurate in his refusal to listen to our complaints.



2345. obeisance

释义: bow

例句: She made an obeisance as the king and queen entered the room.



2346. obelisk

释义: tall column tapering and ending in a pyramid

例句: Cleopatra's Needle is an obelisk in New York City's Central Park.



2347. obese

释义: excessively fat

例句: It is advisable that obese people try to lose weight.



2348. obfuscate

释义: confuse; muddle

例句: Do not obfuscate the issues by dragging in irrelevant arguments.



2349. obituary

释义: dealth notice

例句: I first learned of her death when I read the obituary in the newspaper.



2350. objective

释义: not influenced by emotions; fair

例句: Even though he was her son, she tried to be objective about his behavior.



2351. objective

释义: goal; aim

例句: A degree in medicine was her ultimate objective.



2352. obligatory

释义: binding; required

例句: It is obligatory that books borrowed from the library be returned within two weeks.



2353. oblique

释义: slanting; deviating from the perpendicular or from a straight line

例句: The sergeant ordered the men to march "oblique right."



2354. obliterate

释义: destroy completely

例句: The tidal wave obliterated several island villages.



2355. oblivion

释义: forgetfulness

例句: Her work had fallen into a state of oblivion; no one bothered to read them.



2356. obloquy

释义: slander; disgrace; infamy

例句: I resent the obloquy that you are casting upon my reputation.



2357. obnoxious

释义: offensive

例句: I find your behavior obnoxious; please mend your ways.



2358. obscure

释义: dark; vague; unclear

例句: Even after I read the poem a fourth time, its meaning was still obscure.



2359. obscure

释义: darken; make unclear

例句: At times he seemed purposely to obscure his meaning, preferring mystery to clarity.



2360. obsequious

释义: slavishly attentive; servile; sycophantic

例句: Helen valued people who behaved as if they respected themselves; nothing irritated her more than an excessively obsequious waiter or a fawning salesclerk.



2361. obsequy

释义: funeral ceremony

例句: Hundreads paid their last respects at his obsequies.



2362. obsession

释义: fixed idea; continued brooding

例句: This obsession with the supernatural has made him unpopular with his neighbors.



2363. obsidian

释义: clak volcanic rock

例句: The deposits of obsidian on the mountain slopes were an indiacation that volcano had erupted in ancient times.



2364. obsolete

释义: outmoded

例句: "Hip" is an obsolete expression; it went out with love beads and tie-dye shirts.



2365. obstetrician

释义: physician specializing in delivery of babies

例句: Unlike midwives, who care for women giving birth at home, obstetricians generally work in a hospital setting.



2366. obstinate

释义: stubborn

例句: We tried to persuade him to give up smoking, but he was obstinate and refused to change.



2367. obstreperous

释义: boisterous; noisy

例句: The crowd became obstreperous and shouted their disapproval of the proposals made by the speaker.



2368. obtrusive

释义: pushing forward

例句: I found her a very obstrusive person, constantly seeking the center of the stage.



2369. obtuse

释义: blunt; stupid

例句: Because he was so obtuse, he could not follow the teacher's reasoning and asked foolish questions.



2370. obviate

释义: make unnecessary; get rid of

例句: I hope this contribution will obviate any need for further collections of funds.



2371. occident

释义: the West

例句: It will take occident to understand the ways and customs of the orient.



2372. occlude

释义: shut; close

例句: A blood clot occluded an artery to the heart.



2373. occult

释义: mysterious; secret; supernatural

例句: The occult rites of the organization were revealed only to members.



2374. oculist

释义: physician who specialized in treatment of the eyes

例句: In many states, an oculist is the only one who may apply medicinal drops to the eyes for the purpose of examining them.



2375. odious

释义: hateful

例句: I find the task of punishing you most odious.



2376. odium

释义: repugnance; dislike

例句: I cannot express the odium I feel at your heinous actions.



2377. odoriferous

释义: giving off an odor

例句: The odoriferous spices stimulated her jaded appetite.



2378. odorous

释义: having an odor

例句: This variety of hybrid tea rose is more odorous than the one you have in your garden.



2379. odyssey

释义: long, evenful journey

例句: The refugee's journey from Cambodia was a terrifying odyssey.



2380. offensive

释义: attacking; insulting; distasteful

例句: Getting into street brawls is no minor offense for professional boxers, who are required by law to restrict their offensive impulses to the ring.



2381. offhand

释义: casual; done without prior thought

例句: Expecting to be treated with due propriety by her costs, Great-Aunt Maud was offended by their offhand manner.



2382. officious

释义: meddlesome; excessively pushy in offering one's services

例句: After her long flight, Jill just wanted to nap, but the officious bellboy was intent on showing her all the special features of the deluxe suite.



2383. ogle

释义: glance coquettishly at; make eyes at

例句: Sitting for hours at the sidewalk cafe, the old gentleman would oggle the young girls and recall his youthful romances.



2384. olfactory

释义: concerning the sense of smell

例句: The olfactory organ is the nose.



2385. oligarchy

释义: government by a few

例句: The feudal oligarchy was supplanted by an autocracy.



2386. ominous

释义: threatening

例句: Those clouds are ominous; they suggest that a severe storm is on the way.



2387. omnipotent

释义: all-powerful

例句: The monarch regarded himself as omnipotent and responsible to no one for his acts.



2388. omnipresent

释义: universally present; ubiquitous

例句: On Christmas Eve, Santa Claus is omnipotent.



2389. omniscient

释义: all-knowing

例句: I do not pretend to be omniscient, but I am positive about this fact.



2390. omnivorous

释义: eating both plant and animal food; devouring everything

例句: Some animals, including humans, are omnivorous and eat both meat and vegetables; others are either carnivorous or herbivorous.



2391. onerous

释义: burdensome

例句: He asked for an assistant because his work load was too onerous.



2392. onomatopoeia

释义: words formed in imitation of natural sounds

例句: Words like "rustle" and "gargle" are illustrations of onomatopoeia.



2393. onslaught

释义: vicious assault

例句: We suffered many casualties during unexpected onslaght of the enemy troops.



2394. onus

释义: burden; responsibility

例句: The emperor was spared the onus of signing the surrender papers; instead, he relegated the assignment to his generals.



2395. opalescent

释义: iridescent

例句: The Ancient Mariner admired the opalescent sheen on the water.



2396. opaque

释义: dark; not transparent

例句: The opaque window kept the sunlight out of the room.



2397. opiate

释义: sleep producer; deadener of pain

例句: By such opiates, she made the people forget their difficulties and accept their unpleasant circumstances.



2398. opportune

释义: timely; well chosen

例句: You have come at an opportune moment for I need a new secretary.



2399. opportunist

释义: individual who sacrifices principles for expediency by taking advantage of circumstances

例句: Forget about ethics! He's such an opportunist that he'll vote in favor of any deal that will give him a break.



2400. opprobrium

释义: infamy; vilification

例句: He refused to defend himself against the slander and opprobrium hurled against him by the newspapers; he preferred to rely on his record.



2401. optician

释义: maker and seller of eyeglasses

例句: The patient took the prescription given him by his oculist to the optician.



2402. optimist

释义: person who looks on the bright side

例句: The pessimist says the glass is half-empty; the optimist says it is half-full.



2403. optimum

释义: most favorable

例句: If you wait for the optimum moment to act, you may never begin your project .



2404. optional

释义: not compulsory; left to one's choice

例句: I was impressed by the range of optional accessories for my microcomputer that were available.



2405. optometrist

释义: one who fits glasses to remedy visual defects

例句: Although an optometrist is qualified to treat many eye disorders, she may not use medicinesor surgery in her examinations.



2406. opulence

释义: extreme wealth; luxuriousness; abundance

例句: The glitter and opulence of the ballroom took Cinderella's breath away.



2407. opus

释义: work

例句: Although many critics hailed his Fifth Symphony, he did not regard it as his major opus.



2408. oracular

释义: foretelling; mysterious

例句: Oedipus could not understand the oracular warning he received.



2409. oratorio

释义: dramatic poem set to music

例句: The Glee Club decided to present an oratorio during their recital.



2410. ordain

释义: command; arrange; consecrate

例句: The king ordained that no foreigner should be allowed to enter the city.



2411. ordeal

释义: severe trial or affliction

例句: Terry Anderson spoke movingly of his long ordeal as a hostage in Lebanon.



2412. ordinance

释义: decree

例句: Passing a red light is a violation of a city ordinance.



2413. ordination

释义: ceremony conferring holy orders

例句: The candidate for ordination had to meet with the bishop and the diocean officers before being judged ready to be ordained a deacon.



2414. orient

释义: get one's bearings; adjust

例句: Philip spent his first day in Denver orienting himself to the city.



2415. orientation

释义: act of finding oneself in society

例句: Freshman orientation provides the incoming students with an opportunity to learn about their new environment and their place in it.



2416. orifice

释义: mouthlike opening; small opening

例句: The Howe Caverns were discovered when someone observed that a cold wind was issuing from an orifice in the hillside.



2417. ornate

释义: excessively or elaborately decorated

例句: Furniture of the Baroque period can be recognized by its ornate carvings.



2418. ornithologist

释义: scientific student of birds

例句: Auduborn's drawings of American bird life have been of interest not only to the ornithologists but also to the general public.



2419. orthodox

释义: traditional; conservative in belief

例句: Faced with a problem, he preferred to take an orthodox approach rather than shock anyone.



2420. orthography

释义: correct spelling

例句: Many of us find English orthography difficult to master because so many of our words are written phonetically.



2421. oscillate

释义: vibrate pendulumlike; waver

例句: It is interesting to note how public opinion oscillates between the extremes of optimism and pessimism.



2422. osseus

释义: made of bone; bony

例句: The hollow "soft spot" found at the top of the infant's skull gradually closes as new osseus tissue fills in the gap.



2423. ossify

释义: change or harden into bone

例句: When he called his opponent a "bonehead," he implied that his adversary's brain had ossified and that he was not capable of clear thinking.



2424. ostensible

释义: apparent; professed; pretended

例句: Although the ostensible purpose of this expedition is to discover new lands, we are really interested in finding new markets for our products.



2425. ostentatious

释义: showy; pretentious; trying to attract attention

例句: Trump's latest casino in Atlantic City is the most ostentatious gambling place in the East: it easily outglitters its competitors.



2426. ostracize

释义: exclude from public favor; ban

例句: As soon as the newspapers carried the story of his connection with the criminals, his friends began to ostracize him.



2427. oust

释义: expel; drive out

例句: The world wondered if Aquino would be able to oust Marcos from office.



2428. outlandish

释义: bizzare; peculiar; unconventional

例句: The eccentric professor who engages in markedly outlandish behavior is a stock figure in novels with an academic setting.



2429. outmoded

释义: no longer stylish; old-fahioned

例句: Unconcerned about keeping in style, Lenore was perfectly happy to wear outmoded clothes as long as they were clean and unfrayed.



2430. outskirts

释义: fringes; outer borders

例句: Living outskirts of Boston, Sarah sometimes felt as if she were cut off from the cultural heart of the city.



2431. outspoken

释义: candid; blunt

例句: The candidate was too outspoken to be a successful politician; he had not yet learned to weigh his words carefully.



2432. outrtip

释义: surpass; outdo

例句: Jesse Owens easily outstripped his competitors to win the gold metal at the Olympic Games.



2433. outwit

释义: outsmart; trick

例句: By disguising himself as an old woman, Holmes was able to outwit his pursuers and escape capture.



2434. ovation

释义: enthusiastic applause

例句: When Placido Domingo came on stage in the first act of La Boheme, he was greeted by a tremendous ovation.



2435. overbearing

释义: bossy; arrogant; decisively important

例句: Certain of her own importance and of the unimportance of everyone else, Lady Bracknell was intolerably overbearing in manner. "In choosing a husband," she said, "good birth is of overbearing importance; compared to that, neither wealth nor talent signifi例句: e



2436. overt

释义: open to view

例句: According to the United States Constitution, a person must commit an overt act before he may be tried for treason.



2437. overweening

释义: presumptuous; arrogant

例句: His overweening pride in his accomplishments was not justified.



2438. overwrought

释义: extremely agitated; hysterical

例句: When Kate heard the news of the sudden tragedy, she became too overwrought to work and had to leave the office early.



2439. ovoid

释义: egg-shaped

例句: At Easter she had to cut out hundreds of brightly colored ovoid shapes.



2440. overhaul

释义: thoroughly examine the condition of and repair if necessary

例句: It is necessary for the engineers of NASA to overhaul the rocket everyday; otherwise, an incident similar to that of Challenger accident might happen.