sufficient/abundant/adequate/ample/enough.导航词义：足够的

1. sufficient:adj. 足够的，充足的.指数目、数量、程度等达到某一特定要求或需要的。

The food is sufficient for everybody to eat.

食物足够所有人吃的。

The money I have saved is sufficient for buying a Ford.

我所存的钱足够买一辆福特轿车。

This is sufficient to show that his argument is false.

这足以证明他的论点是错误的。

2. abundant:adj. 充裕的，丰富的.指某物数量极为丰富的，可大量供应。

First, we have abundant natural resources.

首先，我们拥有丰富的自然资源。

Oil is in abundant supply in this country.

该国石油供应十分充裕。

This is a prosperous area with abundant fish and rice.

这里是鱼米富饶之乡。

3. adequate:adj. 充分的，足够的.指数量足够的，质量合乎要求的。

He wanted a salary adequate to support his family.

他要一份足够养家的薪水。

The supply is not adequate to meet the demand.

供不应求。

She didn't give an adequate answer to the question.

对这个问题她没有给出令人满意的答复。

Fifty dollars is barely adequate to pay for breakfast in a Moscow hotel.

50美元勉强能够应付在一家莫斯科旅馆的早餐开销。

4. ample:adj. 丰富的，充足的.指某物不仅能满足需求而且还有富余的。

We have ample time for a leisurely lunch.

我们有充裕的时间从从容容吃顿午饭。

The garage has ample storage and work space.

车库里有足够的存储和工作空间。

Gate has ample stage experience, and won't get stage fright.

盖特有丰富的舞台经验，不会怯场。

5. enough:adj. 足够的，充分的.普通用词，用于口语和书面语均可，通常表示数量、程度等足够或充分的。

They have enough coal to see the winter out.

他们有足够的煤过冬。

He didn't have enough money to pay his train fare.

他没有足够的钱来付火车费。

There isn't enough evidence to prove him guilty.

没有充分的证据证明他有罪。

He has enough money to buy a big house.

他有足够的钱买一所大房子。

全部

1·Make sure that the firm's insurance cover is adequate.

要确保该公司的保险保障是足够的。《柯林斯英汉双解大词典》

2·She didn't give an adequate explanation for being late.

她没有给出充分的理由说明迟到的原因。《牛津词典》

3·We cannot guarantee adequate supplies of raw materials.

我们不能保证提供充足的原料。《牛津词典》

4·One in four people worldwide are without adequate homes.

世界上1/4的人没有足够的住房。《柯林斯英汉双解大词典》

5·Can plants obtain adequate nourishment from such poor soil?

土壤这样贫瘠，植物能获得足够的养分吗？《牛津词典》

6·They had rushed in without adequate appreciation of the task.

他们没有充分了解这项任务就仓促行动了。《柯林斯英汉双解大词典》

7·Most states guarantee the right to free and adequate education.

大多数州都保证免费和适当教育的权利。《柯林斯英汉双解大词典》

8·They could not provide adequate air cover for ground operations.

他们无法为地面作战行动提供足够的空中掩护。《柯林斯英汉双解大词典》

9·There must be adequate recompense for workers who lose their jobs.

必须给失业的工人足够的补偿。《牛津词典》

10·Without adequate information, many students choose a college almost blindly.

由于没有足够的信息，很多学生几乎都是盲目地选择大学。《柯林斯英汉双解大词典》

足够的

1·They could not provide adequate air cover for ground operations.

他们无法为地面作战行动提供足够的空中掩护。《柯林斯英汉双解大词典》

2·Make sure that the firm's insurance cover is adequate.

要确保该公司的保险保障是足够的。《柯林斯英汉双解大词典》

3·One in four people worldwide are without adequate homes.

世界上1/4的人没有足够的住房。《柯林斯英汉双解大词典》

4·Can plants obtain adequate nourishment from such poor soil?

土壤这样贫瘠，植物能获得足够的养分吗？《牛津词典》

5·There must be adequate recompense for workers who lose their jobs.

必须给失业的工人足够的补偿。《牛津词典》

充足

1·The basics of adequate sleep, healthy diet and exercise are a good place to start, Dr. Joyce said.

乔伊斯博士说：“充足的睡眠、健康的饮食和锻炼这些基本的需求是一个很好的开始。”

2·We do this because we usually deprive our bodies of adequate calories the first half of the day.

我们这样做的原因，是我们在白天的时候通常剥夺了我们身体需要的充足卡路里。

3·After six months, they should be fed adequate and safe complementary foods while continuing breastfeeding for up to two years or beyond.

在六个月之后，应给他们喂养充足安全的补充食品，同时继续母乳喂养至两岁或两岁以后。

4·If there is excessive daytime sleepiness and desire to nap, in spite of adequate sleep time, this might suggest a sleep disorder warranting further evaluation.

如果白天有很强的睡意，想小睡一会，虽然有充足的睡眠时间，这也许意味着睡眠障碍需要进一步评估。

5·Lack of access to adequate, safe water limits our ability to produce enough food to eat or earn enough income.

缺乏获得充足、安全水源的途径限制了我们生产足够粮食或赚取足够收入的能力。

适当的

1·Most states guarantee the right to free and adequate education.

大多数州都保证免费和适当教育的权利。《柯林斯英汉双解大词典》

2·There is nothing to guarantee that everybody is willing to make the effort; there is no assurance that the learner will have any adequate return for his toil.

没有什么可以保证每个人都愿意付出努力；学生的辛苦学习是否能得到适当的回报，这是没有把握的。

3·Unprecedented industrial growth in the country of Remo has created serious environmental problems because factories there lack adequate pollution-control systems.

由于工厂缺乏适当的污染控制系统，Remo 乡村地区的史无前例的工业增长造成了严重的环境问题。

4·The critic's knowledge and training are, rather, a preparation of the cognitive and emotional abilities needed for an adequate personal response to an artwork's own particular qualities.

批评家的知识和训练，更确切地说，是一种认知和情感能力的准备，这是对艺术作品自身独有品质作出适当的个人反馈所必需的。

5·But is that an adequate way of thinking about justice?

但那是一种思考正义的适当方式吗？

胜任的

1·Mr. Li will surely prove adequate to the job in your company.

李先生绝对会证明自己能胜任这项工作。

2·As a result they spend much of their life energy trying to 'prove' that they are good, adequate, capable, worthy, lovable, etc.

结果是一辈子的大多数时间都在努力“证明”自己是优秀的，胜任工作的，有能力的，有价值的，可爱的，等等。

够

1·Do you think that solutions like the iPhone Packager, which converts Flash apps to native iPhone apps, will be adequate?

你认为像iPhone Packager(会将Flash应用转换为本地的iPhone应用)这样的解决方案够么？

2·We had adequate food for a week's journey.

人们有脚够的食品否以做一礼拜的旅止。

(1)adequate for胜任……的；对……是足够的；适合……的

(1)adequate consideration充分考虑；适当约因

(1)adequate preparation充分准备

(1)adequate housing适当居所

(1)adequate and systematic service配套服务