O

A: What type of tree is that?
B: I think it is an oak tree. It is certainly large enough to be one.
oak
n. １．栎树，橡树；２．栎木，橡木

A: Oh no, I’ve dropped an oar .
B: We will have to swim to the shore now.
oar
n.　桨，橹

A: Please tell me the big secret.
B: Sorry, I took an oath and swore that I wouldn't.
oath
n.　１．誓言，誓约；咒骂，诅咒语
on / under oath　 在法庭上宣过誓

A: My pupils are so obedient , they always do their home work.
B: You are lucky, mine are terrible.
obedient
a.　服从的，顺从的

A: Robert told an obscene joke last night.
B: Is it too rude to repeat to me?
obscene
a.　１．淫秽的，下流的；２．可憎的，可恶的

A: Did you understand the theatre performance?
B: No, it was too obscure for me.
obscure
a.　１．不著名的，不重要的；２．费解的，模糊不清的；３．隐藏的，偏僻的
vt.　使变模糊，掩盖

A: You are always playing video games.
B: I know. I have an obsession.
obsession
n.　困扰，无法摆脱的思想（或情感）

A: Excuse me, but your car is obstructing the entrance to my home.
B: Oh, I’ll move it right away.
obstruct
vt.　１．阻塞，堵塞；２．阻碍，阻止，妨碍

A: Can I move into the apartment today?
B: No, you can have occupancy next week.
occupancy
n.　占有，使用，居住

A: What is that terrible odour ?
B: Oh, sorry, it must be my socks.
odour
n.　气味

A: Beverley looked stunning at the party.
B: Yes, her outfit was offset by her jewelry.
offset
vt.　补偿，抵消

A: Do you have any offspring ?
B: Yes, I have three daughters.
offspring
n.　１．子女，子孙，后代；２．（动物的）崽

A: Do you like olives ?
B: Yes, especially black ones in salad.
olive
n.　橄榄，橄榄树

A: Is that glass clear?
B: No, it is opaque , that is why you are having difficulty seeing through it.
opaque
a.　１．不透明的，不透光的；２．难理解的，晦涩的

A: Women in the old days were frequently oppressed by their husbands.
B: I am glad that times are changing.
oppress
vt.　１．压迫，压制；２．使（心情等）沉重，使烦恼

A: You would like the blue car?
B: No, I think I’ll opt for the red one.
opt
vt. (for)　选择，挑选

A: The weather will be wonderful tomorrow.
B: You are always filled with optimism .
optimism
n.　乐观，乐观主义

A: I study at my optimum between eight and ten in the morning.
B: Oh, I work best in the evenings.
optimum
a.　最合适的，最优的，最佳的

A: Where did you get the apples?
B: I picked them in the orchard down the road.
orchard
n.　果园

A: I was in a serious car accident last year.
B: That must have been a terrible ordeal .
ordeal
n.　苦难经理，折磨，煎熬

A: I love studying science.
B: I orient more towards the Arts.
orient
vt.　１．使适应，使熟悉情况（或环境等）；２．（to ,toward）使朝向，以．．．为方向（目标）
n.　东方，亚洲（尤指远东），东半球

A: Oriental cuisine is my favourite.
B: Yes, I also love Chinese food.
oriental
a. 东方的，东方人的，东方文化的

A: I was unable to find my orientation in the city.
B: You should have carried a map with you.
orientation
n.　１．方向，目标，方位；２．熟悉情况，适应，情况介绍

A: From where does the guitar originate ?
B: Well, there are many types of guitar, so probably many countries.
originate
vi. (in,from,with)　起源于，来自，产生
vt.　创造，创始，开创

A: That is a beautiful ornament beside the TV.
B: Thanks, it was a gift from a friend.
ornament
n.　１．装饰品，点缀品；２．装饰，点缀
vt.　装饰，点缀，美化

A: I was an orphan until the age of seven.
B: Goodness, do you know what happened to your parents?
orphan
n.　孤儿
vt.　使成为孤儿

A: You look very unusual today.
B: Yes, I was tired with the orthodox.
orthodox
a.　１．传统的；２．正统的，正宗的

A: I was ousted from the number one position.
B: But you will have a chance to win it back, don’t worry.
oust
vt.　１．驱逐；２．罢免，把．．．撤职（以取而代之）

A: There was an outbreak of skin disease in my town.
B: Oh, did you contract it?
outbreak
n.　（战争、情感、火山等的）爆发，（疾病，虫害等的）突然发生

A: That is a beautiful outfit you are wearing.
B: Thanks , I got it specially made for this occasion.
outfit
n.　１．（用于某种场合的）全套服装；２．（协同工作的）一组人；３．全套装备，全套工具

A: Let’s go on an outing .
B: OK, where would you like to go?
outing
n.　远足，郊游，短途旅行，外出参观（或看戏等）

A: I saw a film about outlaw in the Wild West.
B: Oh, I hate those types of movies.
outlaw
n. 歹徒，亡命之徒
vt.　宣布．．．为不合法

A: There will be outrage if I am home late again.
B: Don’t worry, they won’t get angry.
outrage
n.　１．义愤，愤慨；２．暴行，骇人听闻的事件
vt.　激起．．．的义愤，激怒

A: Who won the match?
B: There was no outright winner. It was a draw.
outright
ad.　１．坦率地，直率地，无保留地；２．完全地，彻底地；３．立即，当场
a.　１．清楚的，无疑的，明白无误的；２．完全的，彻底的

A: Do you live in the centre of the town?
B: No, just on the outskirts .
outskirts
n.　外围地区，郊区，郊外

A: My library books are five days overdue .
B: Oh, will you have to pay a fine?
overdue
a.　１．过期的，到期未付的；２．早该有的，迟到的，延误的

A: The bath is overflowing !
B: Oh no, I forgot that I had one running.
overflow
vt.　１．满得外溢，外流，泛滥；２．(with)充满，洋溢　
vt.　淹没，从．．．中溢出，多得使无法容纳
n.　１．容纳不下的物（或人）；２．溢出，满出；３．溢流口，溢流管

A: Excuse me. I couldn’t help but overhear , but I think I am the person you are looking for.
B: What a coincidence!
overhear
vt.　无意中听到，偷听到

A: It is a shame that our holidays don’t overlap .
B: Indeed, I would love to go on holidays with you.
overlap
v.　１．（与．．．）部分重叠；２．（与．．．）部分相同
n.　重叠，重叠的部分

A: Did you make it to the other side of the mountain?
B: No, the overpass was blocked.
overpass
n.　天桥，立交桥

A: My comment overrides my previous statement.
B: You are always changing your mind.
override
vt.　１．不顾，不理睬，否决；２．压倒，优先于

A: His dislike for me was overt .
B: Oh, he did not make it that obvious.
overt
a.　公开的，不隐蔽的

A: I am planning to overthrow the government.
B: That is a big plan. you will need help.
overthrow
vt.　１．推翻，打倒；２．使终止，屏弃
n.　倾覆，终止，结束

A: Our car overturned when it hit the tree.
B: Was anyone injured?
overturn
vt.　１．使翻转，使倾覆，使倒下；２．颠覆，推翻
vi.　倾覆，翻转，翻倒

A: Were you surprised by the gift?
B: Yes, I was completely overwhelmed .
overwhelm
vt.　１．（感情上）使受不了，使不知所措；２．征服，制服

A: I have an overwhelming need to sleep right now.
B: Well, what is keeping you from having a rest?
overwhelming
a.　１，势不可挡的，压倒的；２．巨大的

A: What is that bird?
B: I think it is an owl .
owl.
n.　猫头鹰

A: Is water a type of oxide ?
B: Yes, as it contains oxygen.
oxide
n.　氧化物

A: Do you enjoy eating oysters ?
B: I have never tasted them.
oyster
n.　牡蛎

A: Did you hear that the hole in the ozone is increasing in size?
B: Yes, it is a shame.
ozone
n.　臭氧

 P

A: You don’t seem to be arguing with your brother anymore.
B: No, we made a pact not to argue anymore.
pact
n.　契约，协定，条约

A: Shall we go canoeing on the river?
B: We could, but I’ve lost the paddle.
paddle
n.　１．短桨，桨；２．涉水
vi.　１．划桨前进，荡桨；２．涉水
vt.　１．用桨（划）船；２．用木板打

A: I’m looking for some information about your organization.
B: All the details that you will need are contained in this short pamphlet.
pamphlet
n.　小册子

A: Did you see the pandas at the zoo?
B: Yes, but they were sleeping.
panda
n.　熊猫

A: I’ve been having hunger pangs.
B: Why don’t you buy something to eat then?
pang
n.　一阵（剧痛，悲痛等）

A: Do you have a good view from your window?
B: Yes, the panorama of the mountains is wonderful.
panorama
n.　１．全景；２．概括，综述，概观

A: Why are you panting?
B: I just ran up the stairs.
pant
vi.　１．喘，气喘；２．(for)渴望
vt.　气喘吁吁地说
n.　气喘，喘息

A: Did you read Mr. Doyle’s new novel?
B: Not yet, I’m going to wait until it comes out in paperback.
paperback
n.　平装本，简装本

A: I’ve jumped out of a plane twice.
B: I assume that you were wearing a parachute.
parachute
n.　降落伞
vi.　跳伞
vt.　伞投，空投

A: I lived on a tropical island for one year.
B: It must have been paradise.
paradise
n.　天，乐园

A: Peter is a paradox to me.
B: Yes, I find his actions very confusing also.
paradox
n.　１．似乎矛盾而（可能）正确的说法；２．自相矛盾的人（或事物）

A: Paul was paralysed form the waist down.
B: Oh, how terrible! Was he in an accident?
paralyse
vt.　１．使瘫痪，使麻痹；２．使丧失作用；３．使惊愕，使呆若木鸡

A: I can’t understand these math equations.
B: OK, I will help. Firstly, what are the parameters?
parameter
n.　１．［常pl.］界限，范围；２．参数

A: I have to borrow more money from my parents.
B: Do you feel like a parasite?
parasite
n.　１．寄生生物；２．寄生虫

A: We are having afternoon tea in the parlour if you would like to join us.
B: Yes, that would be splendid.
parlour
n.　１．（出售某些商品或提供某种服务的）店，馆，院；２．客厅室

A: Stop repeating everything that I say.
B: I am pretending to be a parrot!
parrot
n.　鹦鹉

A: As a participant in the project, you will be required to attend the sessions twice a week.
B: No problem, but are there any other requirements?
participant
n.　参加者，参与者

A: Are you a member of a political party?
B: No, I do not get involved in partisan politics.
partisan
a.　党派的，派性的，偏袒的
n.　１．党徒，忠实的追随者；２．（敌后）游击队员

A: I thought this room was bigger.
B: Oh, we put up a partition last week.
partition
n.　１．分隔物，隔墙；２．分割，划分
vt.　隔开，分割，瓜分

A: I am entering into a new business partnership.
B: Oh, with whom?
partnership
n.　合伙（关系），合伙经营（的企业），合伙人身份

A: I am passionate about reading.
B: Yes, I always see you with your head in a book.
passionate
a.　１．多情的；２．充满激情的，激昂的；３．热切的，强烈的

A: What is your favourite pastime?
B: Well, I really enjoy swimming.
pastime
n.　消遣，娱乐

A: This apple pie is delicious.
B: I agree, I think it must be the pastry.
pastry
n.　油酥面团，酥皮糕点

A: How many cows do you have on your pasture?
B: Oh, I am not a dairy farmer.
pasture
n.　牧草地，牧场
vt.　放牧

A: I have come up with a new invention.
B: You better patent it quickly, in case someone steals your idea.
patent
n.　专利，专利权
a.　（有关）专利（权）的，受专利保护的
vt.　得到．．．的专利权

A: I got a pathetic result in the exam.
B: But at least you still passed.
pathetic
a.　１．差劲的，令人生厌的；２．引起怜悯的，可怜的，可悲的

A: Do you celebrate your national day each year?
B: No, I’m not a patriot.
patriot
n.