ob=to
obfuscate
v. confuse; muddle; cause confusion; make needlessly complex.
Was the President’s spokesman trying to clarify the Whitewater mystery, or was he trying to obfuscate the issue so the voters would never figure out what went on?
构词：ob (to) + fusc (fuse) + ate (v)
oblivion
N. obscurity; forgetfulness.
After a decade of popularity, Hurston’s works had fallen into oblivion; no one bothered to read them any more.
构词：ob (to) + liv (forget) + ion (n)
oblivious
ADJ. inattentive or unmindful; wholly absorbed.
Deep in her book, Nancy was oblivious of the noisy squabbles of her brother and his friends.
ob, obs=away, not
oblique
ADJ. indirect; slanting (deviating from the perpendicular or from a straight line).
Casting a quick, oblique glance at the reviewing stand, the sergeant ordered the company to march “Oblique Right.”
构词：ob (not) + lique (list)
obsolete
ADJ. outmoded.
“Hip” is an obsolete expression; it went out with love beads and tie-dye shirts.
构词：ob (to) + sole (only) + ete (a)
oc=to
occult
ADJ. mysterious; secret; supernatural.
The occult rites of the organization were revealed only to members, also N.
构词：ob (to) + cult（邪教）
omni=all
omnipresent
ADJ. universally present; ubiquitous.
On Christmas Eve, Santa Claus is omnipresent.
构词：omni (all) + present（存在）
over=too much
overbearing
ADJ. bossy; arrogant; decisively important.
Certain of her own importance and of the unimportance of everyone else, Lady Brackneil was intolerably overbearing in manner. “In choosing a husband,” she said, “good birth is of overbearing importance; compared to that, neither wealth nor talent signifies.”
构词：over + bear (behave) + ring (a)
overweening
ADJ. presumptuous; arrogant.
His overweening pride in his accomplishments was not justified.
构词：over + ween (suppose) + ing
overwrought
源自 wring
ADJ. extremely agitated; hysterical.
When Kate heard the news of the sudden tragedy, she became too overwrought to work and had to leave the office early.
构词：over + wring (twist)
out=outside
outlandish
ADJ. bizarre; peculiar; unconventional.
The eccentric professor who engages in markedly outlandish behavior is a stock figure in novels with an academic setting.
构词：out + land + ish (a) = 异国的
outskirts
N. fringes; outer borders.
Living on the outskirts of Boston, Sarah sometimes felt as if she were cut off from the cultural heart of the city.
构词：out + skirts（裙子），用裙子外摆比喻外围
outspoken
ADJ. candid; blunt.
The candidate was too outspoken to be a successful politician; he had not yet learned to weigh his words carefully
构词：out + spoken = speak everything out
out=old
outmoded
ADJ. no longer stylish; old-fashioned.
Unconcerned about keeping in style, Lenore was perfectly happy to wear outmoded clothes as long as they were clean and unf rayed.
构词：out (old) + mode (manner) + ed (a)
out=beat
outstrip
v. surpass; outdo.
Jesse Owens easily outstripped his competitors to win the gold medal at the Olympic Games.
构词：out (beat) + strip (do)
outwit
v. outsmart; trick.
By disguising himself as an old woman, Holmes was able to outwit his pursuers and escape capture.
构词：out (beat) + wit (wisdom)
para=pair, beyond, alongside
paradigm
=show
N. model; example; pattern.
Pavlov’s experiment in which he trains a dog to salivate on hearing a bell is a paradigm of the conditioned response experiment in behavioral psychology.
paradigmatic, ADJ.
构词：para (alongside) + digm (example)
parallelism
N. state of being parallel; similarity.
Although the twins were separated at birth and grew up in different adoptive families, a striking parallelism exists between their lives.
构词：para (alongside) + lel (each other) + ism (n)
paragon
N. model of perfection.
Her fellow students disliked Lavinia because Miss Minchin always pointed her out as a paragon of virtue.
构词：para (alongside) + agon (touch stone) = 用试金石检验
paranoia
N. psychosis marked by delusions of grandeur or persecution.
Suffering from paranoia, he claimed everyone was out to get him; ironically, his claim was accurate: even paranoids have enemies, paranoid.
GRE，全称Graduate Record Examination，中文名称为美国研究生入学考试，适用于除法律与商业外的各专业。由美国教育考试服务处(Educational Testing Service，简称ETS)主办，GRE是美国、加拿大的大学各类研究生院（除管理类学院，法学院）要求申请者所必须具备的一个考试成绩，也是教授对申请者是否授予奖学金所依据的最重要的标准。 另有，Generic Routing Encapsulation（通用路由封装）也简称GRE。
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