venture/chance/hazard/risk.导航词义：冒险

1. venture:v. 冒风险.指冒风险试一试，或是去可能会有危险的地方，或是做有风险的事。

He never ventured out at night when he was a child.

他还是小孩子的时候，从不敢在晚上外出。

Someone was knocking, and she paused before venturing downstairs to the door.

有人在敲门，她犹豫了一下，然后大着胆子下楼，走向门口。

It's very bold of you to venture to do so.

你冒险这样做很大胆。

2. chance:v. 冒…的险.指做自己觉得可能有风险的事情。

The runaway slave decided to stay in the cave because he couldn't chance being found.

那个逃跑的奴隶决定留在山洞里，因为他不敢冒险被人发现。

He was not sure if another route could save him more time, but he decided to chance it.

他不知道另一条路线是不是能节省更多的时间，但是他决定冒一下险。

3. hazard:v. 冒…的风险.指为获得某物而冒失去钱财等的风险，也指冒险猜测、建议等。

Careless drivers hazard passengers' lives as well as their own.

粗心大意的驾驶者拿乘客和自己的生命冒险。

I wouldn't like to hazard a guess.

我不想冒险猜测。

4. risk:v. 使…冒风险；冒…的风险；冒险做.指使遭受失去、毁坏、伤害等风险或承担此类风险去做某事，也指做有危险或不好结果的事。

Don't you think that smokers are actually risking their own health?

难道你不认为吸烟者其实是在拿自己的健康去冒险吗？

That politician has prepared to risk everything to avoid divorce.

那名政客准备不惜一切来避免离婚。

If they cannot get that loan, they may risk losing the company.

如果不能得到那笔贷款，他们就有可能失去公司。

You could make up a reason for being late, but I wouldn't risk it.

你可以编个迟到的理由，但我不想冒这个险。

全部

1·Chess is not a game of chance.

国际象棋不是靠运气取胜的。《牛津词典》

2·Everyone has a chance to win.

每个人都有机会赢。《牛津词典》

3·It was a chance to start afresh.

这是个重新开始的机会。《牛津词典》

4·We have a real chance of success.

我们确实有获得成功的机会。《牛津词典》

5·Now is your chance to talk to him.

马上就是你和他谈话的机会了。《柯林斯英汉双解大词典》

6·Come off it! We don't have a chance.

别胡扯了！我们没机会。《牛津词典》

7·You had your chance and you blew it.

你本来有机会，却没有抓住。《牛津词典》

8·'Give me one more chance,' he begged.

“再给我一次机会吧。”他恳求道。《牛津词典》

9·I leapt at the chance to go to France.

我立刻抓住了去法国的机会。《牛津词典》

10·Everyone gets a chance to make up tests.

每个人都有一次补考的机会。《柯林斯英汉双解大词典》

机会

1·You had your chance and you blew it.

你本来有机会，却没有抓住。《牛津词典》

2·It was a chance to start afresh.

这是个重新开始的机会。《牛津词典》

3·Now is your chance to talk to him.

马上就是你和他谈话的机会了。《柯林斯英汉双解大词典》

4·We have a real chance of success.

我们确实有获得成功的机会。《牛津词典》

5·Come off it! We don't have a chance.

别胡扯了！我们没机会。《牛津词典》

可能性

1·The operation has a fifty-fifty chance of success.

这次手术成功的可能性是50%。《牛津词典》

2·There now seems little chance of rapprochement between the warring factions.

目前，敌对双方和解的可能性似乎很渺茫。《牛津词典》

3·The chance of getting AIDS at the doctor's or dentist's office is extremely low.

在诊所或牙医诊所感染艾滋病的可能性极小。《柯林斯英汉双解大词典》

4·The chance of these bacteria being on most surfaces is very low.

这些细菌停留在大多数表面上的可能性非常低。

5·The weather forecast says it will be cloudy with a slight chance of rain tonight.

天气预报称今晚多云，下雨可能性小。

契机

1·Furthermore, every child represents a new chance to build cradle-to-grave brand loyalty.

此外，每个儿童都是建立终身品牌忠诚度的一次全新的契机。

2·A lot of them took jobs in corporate research laboratories-they were willing to exchange the chance of getting rich for the certainty of a regular salary.

他们中的很多人选择了公司研究实验室的工作——他们乐意于用发大财的契机来交换领取固定工资的稳定生活。

3·It is a happy chance if we, changing, continue to love a changed person.

若改变的我们，还能爱着改变了的人，那会是多么幸福的契机。

4·Here is a chance for them to earn it by helping underwrite a global public good.

那现在就是一个赢回声誉的契机，即为全球公益事业担起一份己任。

5·The Copenhagen summit in December provides a chance to integrate climate change into the crisis response.

12月即将召开的哥本哈根气候峰会，将为把气候变化纳入危机应对方案提供一个契机。

运气

1·Sheer chance quite often plays an important part in sparking off an idea.

纯粹的运气常常在激发思想方面起着重要的作用。《柯林斯英汉双解大词典》

2·Taft grumbled that the law so favoured the criminal that trials seemed like a game of chance.

塔夫脱抱怨法律如此有利于罪犯，使得审判看来像是一场运气的游戏。《柯林斯英汉双解大词典》

3·Otter goes there every night and watches—on the chance, you know, just on the chance!

奥特每天晚上都去那儿去守着，你知道，他只是想碰碰运气！

4·We must make a start, and take our chance, I suppose.

我想，我们得动身了，去碰碰运气。

5·I booked a flight for another city in two days and then decided to take a chance and take my bags to the airport at 6 a.m. that same day for a direct flight.

我预订了两后天的航班，然后决定再碰碰运气，两天后的早晨6点钟我提着行李赶到机场看是否能搭乘一个直达航班。

偶然性

1·The philosophical problems of chance and of free will are closely related.

关于偶然性和自由意志的哲学问题是紧密相联的。《柯林斯英汉双解大词典》

2·This evolutionary mechanism combining dissymmetry, anatomy, and chance does not provide an adequate explanation of why right-handedness should have become predominant.

这种结合不对称、解剖学和偶然性的进化论机制并未提供一种充分的解释，以说明蜗牛的右旋何以会成为主要的旋向。

3·But this evolutionary mechanism combining dissymmetry, anatomy, and chance does not provide an adequate explanation of why right-handedness should have become predominant.

但是这种结合了不对称、解剖学和偶然性的进化机制并不能提供一个充分的解释来说明为什么右利手应该成为优势。

4·This means that unlike poker or backgammon, all information specific to the game is known to both players, and there is neither secrecy nor chance.

这意味着它与扑克和百家门游戏不同，信息对博弈双方是对称的，双方并无秘密可言，也不依赖偶然性。

5·Among those people, there were 50 infections on placebo and 36 on the vaccine, which gives an efficacy of 26% but is not statistically significant, meaning it could happen by chance.

这些人当中，注射了安慰剂的那组有50人感染，注射了疫苗的那组有36人感染，效果是26%，但不具有统计学上的显著性，这意味着结果的出现具有偶然性。

碰巧

1·I came here by chance and was just watching what was going on, when this girl came up to me.

我碰巧来到这里，正在看热闹，这时一个女孩向我走来。《柯林斯英汉双解大词典》

2·If you graph the frequency of various possible results, it's possible to see a pattern of peaks at random-looking series and valleys at the ones that chance would seem to disfavor.

如果用图表画出不同可能性结果的频率，你可能会看到一种模式，貌似随机的序列处于峰值，那些碰巧看上去不太受人喜欢的序列位于谷底。

3·I received the last you sent on by the merest chance, and after considerable delay through being inland; or I might have come sooner.

你上次转给我的信，在巴西的内地转来转去，耽误了许久，最后完全是碰巧收到的，不然我会回来得更早些。

4·'Yes, aunt,' said Elizabeth, 'but in this case it was not chance, but the young man's interfering friends, who separated Jane and Mr Bingley.

“是的，舅妈，”伊丽莎白说，“可是这次不是碰巧分开的，都怨那年轻人爱管闲事的朋友，是他们把简和彬格莱先生拆开的。”

5·C: Well, whose card are you using? Did you, by chance, take your husband's card by mistake?

职员：那么，您使用的是谁的卡片呢？会不会碰巧您拿了您丈夫的卡片呢？

际遇

1·There ising rich and honoreding is poor and humble…BE going to the same of person at not the corresponding period contain different chance.

有富贵，有贫贱…乃至同一个人在不同时期有不同的际遇。

(1)by chance偶然；意外地

(1)have a chance有机会；有希望

(1)take a chancevt. 冒险

(1)by any chanceadv. 万一

(1)one more chance再来一次；再一个机会

(1)chance on偶然发现；巧遇