o 字部。
a: i really don’t understand your objection to globalization.
b: i simply think that globalization will harm established communities.
objection
n. 1.反对，异议； 2.反对的理由
a: i just want you to know that the words you said hurt me.
b: well, i want you to know that hurting you wasn’t my objective.
objective
n. 目标，目的。
a. 客观的，不带偏见的。
a: why can’t you go to the movie?
b: i’d love to go, but i feel like i h**e a obligation to help george with his homework, since he helped me with mine last week.
obligation
n. 义务，责任。
a: would you like some help carrying that box?
b: don’t feel obliged to, but i’d love your help.
oblige
vt. 1.迫使；2.施恩于，帮…的忙； 3.使感激。
a: it seems like the students h**e beh**ed etter since the new principal arrived.
b: that’s a good observation.
observation
n. 1.注意， 观察； 2.言论，评论； 3.[常[pl.] 观察资料，观察数据； 4.观察力。
a: do you mind if i observe your classroom today?
b: of course not.
observe
vt. 1.注意到，观察到； 2.观察； 3.评说， 评论； 4.遵守，奉行。
a: there’s an official observe visiting the plant today, so all of the workers should be on their best beh**ior.
b: in an ideal world, the workers would be on their best beh**ior with or without an observe.
observer
n. 观察者， 观察员。
a: what has been the biggest obstacle in your relationship?
b: probably the fact that we live on opposite sides of the country.
obstacle
n. 障碍(物), 妨碍。
a: i was able to obtain two tickets to the game tomorrow. would you like to go?
b: sure, i’d love to.
obtain.
vt. 获得，得到。
vi. 通用， 存在， 流行。
a: isn’t it obvious that rachel hates me?
b: actually, i don’t think rachel hates you at all.
obvious
a. 显然的，明显的。
a: how often do you wear this suit?
b: not very often; only on special occasions.
occasion
n. １时刻，时候，场合；２．重大（或特殊）活动，盛会；３．时机，机会；４．起因，理由。
vt. 引起，惹起。
on occasion(s) 有时，间或。
a: would you like a hamburger?
b: no, thanks. aside from the occasional hotdog, i never eat meat.
occasional
a. 偶尔的，间或发生的。
a: what’s your father’s occupation?
b: he’s a fireman.
occupation
n. １工作，职业；２．人）从事的活动，消遣；３．占领，占据。
a: i want you to know that you occupy a special place in my heart.
b: and you in mine.
occupy
vt. １占，占用，占领；２．使忙碌，使从事。
a: did you hear that fred was late for work yesterday?
b: now that’s a rare occurrence! he’s almost always on time.
occurrence
n. １发生的事情，事件；２．发生，出现。
a: did you enjoy the party?
b: not really. there was a very odd mix of people.
odda. １奇特的，古怪的；２．临时的，不固定的；３．单的，不成对的；４．挂零的，剩余的，余下的。
n. [pl.] 可能性，机会。
against all (the) odds 尽管有极大的困难，尽管极为不利
at odds with 与．．．不和，与．．．争吵，与．．．不一致。
odds and ends 零星杂物，琐碎物品。
a: will you please stop ****** fun of my hair?
b: i’m sorry; i didn’t mean to offend you.
offend
vt. １冒犯，得罪，伤害．．．的感情；２．使厌恶，使不舒服；３．违反，违犯。
a: what offence is he charged with?
b: he’s charged with disturbing the peace.
offense
n. １犯规，违法行为；２．冒犯，得罪。
a: do you think she’s a good comedian?
b: she may be good, but her humor is too offensive for me.
offensive
a. １冒犯的，无礼的，使人不快的；２．进攻的，攻击性的。
n. 进攻，攻势。
a: are there any errors in my *****?
b: it looks like you omitted a word in this sentence.
omitvt. １省略，删节；２．遗漏，疏忽。
a: i hate cutting onions, because they make me cry.
b: you should wear goggles to protect your eyes.
onionn. 洋葱，洋葱类植物。
a: how did she escape from her cell?
b: it appears that she was able to escape through the small opening between the bars.
opening
n. １口子，洞，孔；２．正式的）开始，开端；３．职位的）空缺。
a. 开的，开始的。
a: do you like to go to the opera?
b: not really. i’d rather go to a rock concert.
operan. 歌剧。
a: we’ve decided to give you operational control of the company.
b: i’m certain that i’m up for the job.
operational
a. １运转的，即可使用的；２．操作上的。
a: i can’t find my friend’s telephone number in the phone book.
b: h**e you tried calling the operator?
operator
n. １话务员，报务员；２．操作员。
a: why are you such a staunch opponent of the president?
b: because i strongly disagree with his opinions.
opponent
n. １敌手，对手；２．反对者。
a: i can’t believe you’re giving up the opportunity to go to the bahamas for spring break!
b: i’d rather s**e my money and take a bigger trip next year.
opportunity
n. 机会，时机。
a: why did you oppose the decision of the school board?
b: because i felt that it was unfair to my child.
oppose
vt. 反对，反抗。
a: why does the moon look so much bigger tonight?
b: it’s an optical illusion.
optical
a. １光（学）的；２．眼的，视力的；３．视觉的。
a: do you think you’ll get the job?
b: there’s a chance that i’ll get it , but i’m not terribly optimistic.
optimistic
a. 乐观（主义）的。
a: it wasn’t the job i wanted, but i had no other options.
b: well, at least you h**e a job now.
option
n. １选择；２．选择权，选择自由；３．供）选择的事物（或人），选课。
a: do we h**e to do all of the problems on the test?
b: the first three problems are mandatory, but the last one is optional.
optional
a. 可以任选的，非强制的。
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