451. be in a mess 乱七八糟, 处境困难

make a mess of 弄乱, 打乱

mess原始涵义：

n.混乱,凌乱的状态

Would you please clean up the mess?
请你把这些肮脏的东西清理掉好吗?

造句：

Her hair was in a terrible mess. 她的头发乱极了。

She made a pretty bad mess of it. 她把事情搞得一团糟。

452. bear(or keep)…in mind牢记

同义替换：=remember

造句：Bear/Keep in mind that you'll have to practice economy.

记住要厉行节约。

453. bring(or call)to mind使回想起

同义替换：=remember

造句：I know this song but I can't bring/call the title to mind.

我知道这首歌,但记不起歌名。

454. by mistake(由于粗心,健忘原因而)错误地

mistake原始涵义：

vt. 1. 弄错,误解

You mistook my meaning entirely. 你完全误会了我的意思。

2. 把...误认为[(+for)]

He was mistaken for the minister. 人们错把他当作牧师了。

3. 挑选错;估计错

It was wise of you not to mistake your own strength.

你没有错误估计自己的力量是明智的。
vi. 1. 弄错,搞错
You mistake, my dear. 亲爱的,你错了。

n. 1.

错误,过失;误会
Tom didn't make a single spelling mistake in his composition.

汤姆在这篇作文里一个字也没拼错。

造句：

He put salt into his tea by mistake. 他把盐误放进茶里。

455. at the moment (=now) 此刻,现在

造句：I am very busy at the moment. 我此刻很忙。

for the moment (=for the time being)暂时

造句：Stop arguing for the moment. 暂停争论。

just a moment 稍等片刻

at the last moment 在最后一刻

造句：He finished the job at the last moment.

456. in the mood for/to 有情绪去做..,有心境做.

mood原始涵义：

n. 1. 心情,心境,情绪

我没有心情争辩。
2. 心情不好,生气

She was in a bit of a mood this morning. 今天早晨她情绪欠佳。

3. 喜怒无常
He is a man of moods. 他是一个喜怒无常的人。

4. 基调,色调;气氛
The mood of the music was almost funereal. 音乐的调子几乎像哀乐。
A mood of optimism pervaded the gathering. 会上充满乐观的气氛

造句：I am not in the mood to argue.

457. no more…than 和…一样都不…

造句：

The lion is no more merciful than the tiger. 狮子与老虎同样残忍.

458. for the most part 多半,大多数,一般来说

造句：

The lemon drink was for the most part of water. 那柠檬饮料多半成分是水。

His designs, for the most part, corresponded with the actual needs. 他的设计绝大多数情况下都符合实际需要。

459. at (the) most 最多, 至多

造句：

It will take two hours at most to get there. 最多两小时便可到达那里。

460. make the most of 充分利用

造句：

We should make the most of our time. 我们应该充分利用时间。

461. be not much of(=not a good)不是很好的… be something of 有点…,像…

造句：I'm not much of a night owl. 我并不是一个夜猫子。

She of the unbelievable female figure has become something of a world icon, her likeness gracing the cover of Time Magazine and used in advertising without further identification.

她的令人难以置信的女性形象已经成为一个世界图标，她的肖像频频出现在时代杂志的封面和广告中使用但是未经进一步查实。

462. name after 用…的名字命名

name原始涵义：

n. 1. 名字,姓名;名称
2. 外号;(诬蔑性的)绰号

3. 名声,声誉

His actions have given him a bad name. 他的行为给他带来了不好的名声。

vt. 1. 给...取名;给...命名

They named the baby Elizabeth.
他们为婴孩取名伊莉莎白。

2. 说出...的名字
Can you name all the plants and trees in this garden?
你能叫出花园里所有花草树木的名称吗?

3. 提名;任命 [(as/for)]

She was named winner of the contest.
她被提名为这次比赛的获胜者。

4. 列举

造句：The building was named after Mr. Smith.这座建筑物以史密斯先生的名字命名。

463. native to 所产的

native原始涵义：

a. 1. 天生的

2. 出生地的,祖国的,家乡的

He has been away from his native Poland for three years. 他离开故土波兰已有三年了。

3. 本土的,本国的,土生的 [(+to)]

4. (某地)特有的,原产的[(+to)]

5. 土人的,土著的
Native American 美洲原住民;印第安人

6. 天然的,自然的;朴素的
I am still struck by the native beauty of the lake. 我仍然为湖泊的自然美所吸引。

n. [c]

1. 本地人,本国人[(+of)]
Are you a native here, or just a visitor?
你是本地人?或者只是过客?

2. 土著,原住民

3. (某地)原有的动(植)物[(+of)]
The kangaroo is a native of Australia. 袋鼠是澳大利亚的土生动物。

造句：The giant panda is native to China. 大熊猫是中国特有的动物。

464. by nature 天生的, 生来

造句：

She is quiet and shy by nature. 她生性温柔腼腆。

465. in mature 本质上

mature原始涵义：

a.    1. 成熟的;酿熟的

This is the most mature of his plays. 这是他最成熟的一部剧作。

2. 成年人的

She has the figure of a mature woman. 她有成年女性的体型。

3. 稳重的;慎重的,周到的

Can't you behave in a mature way?
你的举止不能稳重一点吗?

4. (票据等)到期的;应支付的

vi. 1. 变成熟;长成;酿成

Wine and judgement mature with age. 酒陈味香,人老识深。

2. (票据等)到期

Your deposit matures on April 3rd. 你的存款四月三日到期。

vt. 1. 使成熟;使长成
Her responsibilities matured her at an early age. 她肩负的责任使她早熟。

2. 慎重作出;使完善

He matured his plans for the long trip. 他为这次长途旅行仔细地作了计划。

466. (be) in the nature of 属…性质

造句：

His remark is in the nature of an apology. 他的话具有道歉的性质。

467. none other than 不是别人,正是…

造句：

The new arrival was none other than the President.刚到的不是别人，正是总统。

468. above normal 高于正常的

造句：Rainfall has been above normal this July. 今年7月份降雨量高于正常。

469. for nothing免费

同义替换：=free, without payment

造句：

I got the typewriter for nothing; a friend just gave it to me.

我免费得到了这台打字机,是一位朋友送给我的。

470. nothing but 只有, 不过…而已

造句：

Nothing but a miracle can save her life.
只有奇迹才能挽救她的生命。

471. to say nothing of更不用说…

同义替代：=not to mention

造句：He had to support his seven children, to say nothing of his wife and parents.

他要养活自己的七个孩子,更不必说还有妻子和父母了。

472. do sth. at short notice 只给很少时间准备

造句：They are ready to start at short notice.

他们已准备好,一接到通知就立即出发。

473. until further notice 在另行通知前

造句：That library will open only in the morning untill further notice.

在另行通知以前,那个图书馆只在上午开放。

474. take notice of注意

同义替换：=pay attention to

造句：Don't take any notice of others' comments. 不要理会别人的议论。

475. object to 反对

同义替换：=be opposed to

object原始涵义：

n. 1. 物体

I don't know the names of the objects in this lab. 我不知道这个实验室里物件的名称。

2. 对象;目标 [(+of)]

3. 目的,宗旨
What is the object of his visit? 他这次访问的目的是什么?

4. 【语】宾语[C]

vi. 1.

反对[(+to)]

vt. 1. 反对说[+(that)]

Mother objected that Jimmy was too weak to take up the job.

母亲反对说,吉米身体虚弱,不可承担那份工作。

造句：No one objected to the plan. 没有人反对这项计划。

476. objection to (接动名词) 反对

造句：I have objection to his being elected as our chairman.我反对他当选主席。

477. on occasion不时地,必要时

同义替换：=now and then

occasion原始涵义：

n. 1. 场合,时刻;重大活动,盛典

2. 时机,机会[(+for)]

He seized the occasion to invite her home for dinner. 他抓住机会邀请她回家里吃饭。

3. 起因,近因[(+of)]
Her departure was the occasion of much sadness. 她的离别是令人十分悲伤的起因。

4. 理由;需要[(+for)][+to-v]
You have no occasion to buy another car. 你没有必要再买一辆汽车。

vt. 引起;惹起

His rude behavior occasioned a quarrel. 他的无礼行为引起了一场争吵。

造句：A shop keeper always runs a certain opportunity when he accepts a cheque and he is quite within his rights if on occasion, he refuses to do so.

店主可能会有机会接收一张支票时，偶尔他拒绝这样做也是在他的权限之内的。

478. by occasion of由于

同义替换：=because of

造句：By occasion of illness of him, we can't play tennis.

因为他有病, 我们不能打网球了。

479. occupy oneself with (in) 忙于(某事)

occupy原始涵义：

vt. 1. 占领,占据

The enemy soon occupied the town. 敌人很快占领了这个城镇。

2. 占(时间,空间);占用;住

Reading occupies most of my free time. 阅读占去了我空闲时间的大部分。
The bathroom is occupied. 浴室有人在用。

3. (常与oneself连用或作被动式)使忙碌,使从事[(+in/with)]
This game will keep the children occupied. 这个游戏让孩子有得忙了。
She is occupied in writing a novel. 她忙于写小说。

4. 担任(职务),居(某种地位)
Mr. Oliver occupies an important position in the Ministry of Foreign Affairs.
奥利佛先生在外交部充任要职。

造句：He occupied himself with various research projects. 他终日从事各种研究计划。

480. it occurs to sb. that… 某人想到…

occur原始涵义：

vi. 1. 发生
Earthquakes occur frequently in this area. 这一地区经常发生地震。

2. 出现;存在;被发现

Do giraffes occur in Africa only? 长颈鹿是不是只在非洲才有?

3. 被想起,被想到,浮现[(+to)]

It occurred to me to visit my teacher. 我想到要去看看我的老师。

A brilliant idea occurred to me. 我想到一个极好的主意。

It didn't occur to him that she would refuse his invitation.

他没有想到她会拒绝他的邀请。

造句：It never occurred to me that he might be in trouble. 我怎么也没有想到他会遇上麻烦。

481. once and for all =once and forever永远地

all at once (=suddenly, now) 立即,马上

 once in a while (=occasionally) 偶尔

 (just) for once 就这一次

482. (all) by oneself 独自(没有别人帮助)

造句：The little boy went out by himself. 小男孩独自一人出去了。

483. operate on sb. 给某人做手术

come /go into operation开始运转

put/bring sth. into operation 使…投产,运转

operate原始涵义：

vi. 1. 作出,工作;运作;运转
The machine is not operating properly. 机器运转得不正常。

2. 营业,营运
His company operates in several countries. 他的公司在几个国家有业务活动。

3. 起作用,影响,产生效果
The medicine operated quickly. 这药很快起作用。

4. 动手术,开刀[(+on/for)]
The surgeon operated on her for a tumor. 医生为她的肿瘤开刀。

vt. 1.

操作;开动(机器)等

Who operates that machine? 那台机器由谁操作?

2. 经营;管理
The department store is well operated. 那家百货公司经营得法。

3. 对...施行手术;对...开刀
He'll have to be operated for his tumors. 他的肿瘤得开刀。

4. 引起,产生

484. be of the opinion 持有…的看法

造句：I am of the opinion that in some degree wisdom can be taught.

我的看法是，智慧在某种程度内是可以通过教育培植的。

485. in one’s opinion 按某人的看法

造句：In my opinion, the second view is one-sided and partial.

我认为，第二种看法是片面的。

486. be opposed to… 反对…

oppose原始涵义：

vt. 1. 反对;反抗;妨碍[+n/v-ing]

The proposed new airport will be strongly opposed by the local residents.

提议中的新机场会招受当地区民强烈反对。
Father does not oppose the idea at all.

父亲丝毫不反对这个想法。

2. 使相对;使对抗[(+to/against)]

They were bitterly opposed to the scheme. 他们强烈反对这个计划。
Our members are definitely opposed to making concessions on the satety question.

我们的成员绝对反对在安全问题上让步。

造句：I am opposed to going shopping with others.
我反对与他人一起外出购物。

487. be opposite to 与…相反的

造句：My point of view is opposite to yours.我的观点与你相反。

488. (be) in order(=acceptable)合适的,恰当的

 in order 井井有条,处于良好状态;

out of order(=in bad condition)出毛病,发生故障

order原始涵义：

n. 1. 顺序,次序

The names are in alphabetical order. 名字按字母顺序排列。

2. 整齐,有条理

3. 状况;良好的状况

Things were in terrible order. 情况一团糟。

4、秩序,治安;规律

The young teacher can't keep order in her classroom.

那位年轻教师无法维持课堂秩序。

5. 命令,指示 [+to-v][+(that)]

He gave orders that the job be done in three days. 他指示三天内完成这项工作。

6. 订购;订货[C][(+for)]

The company received a large order for computers.
这家公司接到一份要求大量供应电脑的订单。

489. made to order 定做的(衣服)

490. originate in/from起源于,由..引起

同义替换：=begin

originate原始涵义：

vi. 1. 发源;来自;产生 [(+in/from/with)]
The idea originated with her. 这主意是她最先想出来的。

vt.

1.    引起

The use of the computer has originated many other reforms.

电脑的使用引起了其他许多的革新。

2. 创始;发明;创作

造句：Their estrangement originated in a misunderstanding.

他们的隔阂是由误会而起。

491. on the outskirts (of) 在城郊

造句：Living on the outskirts of town or living in the downtown has its advantages and disadvantages.

住在郊区或住在市中心都各有利弊。

492. owe…to 把…归于…

造句：I owe my success to your great help.我把我的成功归功于你的帮助。

493. on one’s own单独

同义替换：(=along, without help)

own原始涵义：

a. 1.

自己的

I saw the whole accident with my own eyes. 我亲眼看到这次事故的全过程。

2. 特有的

vt.1. 有,拥有

He owns three cars. 他有三辆汽车。

2.    承认[+(that)]
She owned that she had neglected her duty.

她承认自己玩忽职守。

vi. 承认[(+to)]

She owned to having known about it. 她承认早已知道此事。

造句：I can't carry it on my own; it's too heavy.

我无法独自携带它,太重了。

494. of one’s own某人自己的

造句：She has a mind of her own. 她颇有主见。

495. keep pace with 跟…齐步前进

pace原始涵义：

n. 1. 一步;一步跨出去的长度(约2.5尺)

 There were perhaps ten paces between me and the bear.

在我和熊之间相距大约有十步。

2. 步速;速度;进度
The work progressed at a slow pace. 这项工作进展缓慢。

vi. 踱步,慢慢地走

He got up, and began to pace up and down the room.

他起身并开始在房间里踱来踱去。

造句：I cannot keep pace with my classmate in English learning.在英语学习方面我无法与我的同学同步。

496. go to great pains下功夫,努力

同义替换：=take pains

造句：He went to great pains to explain the problem to us.
他费了很大劲向我们解释那个问题。

497. part with舍弃,卖掉

同义替换：=give up, sell

造句：Do you think I will part with my right to express my opinion?

你认为我会放弃我的发言权吗?

498. participate in参加

同义替换：=take part in

participate原始涵义：

vi. 1. 参加,参与[(+in)]

No professionals participated in the contest.
没有职业选手参加这一比赛。

2. 分享,分担[(+in/with)]

3. 含有,带有[(+of)]

His poems participate of the nature of satire.
他的诗带有讽刺性。

vt. 分享,分担

造句：Everyone can participate in this game.
每个人都能参加这游戏。

499. (be) particular about 讲究,挑剔(吃,穿)

particular原始涵义：

a. 1. 特殊的;特定的;特别的
The teacher showed particular concern for the disabled child.
老师特别关心那个残疾儿童。

2. 特有的,独特的;异常的
Her particular way of smiling left a good impression on me.
她特有的微笑给我留下了美好的印象。

3. (过于)讲究的;苛求的,挑剔的[(+about/over)][(+wh-)]
4. 细致的,详细的
The witness gave us a particular account of what happened.
目击者把发生的事情详细地对我们说了一遍。

造句：She is particular about what she eats. 她过分讲究吃。

500. in particular特别是,尤其

同义替换：=especially

造句：She stressed that point in particular. 她特别强调了那一点.