The American College of Obstetricians and Gynecologists said the timing was just by chance.

VOA: special.2009.11.25

So, if any of you doesn't want to be, by chance, seen on the Internet, then sit out of range of the camera.

如果你们不想要，意外地，出现在网上的话，那么就坐在摄像机拍摄的范围外。

麻省理工公开课 - 固态化学导论课程节选

So, if you by chance, I know it's very rare, but if by chance you don't get the class you can always follow up later.

如果你们偶然，我知道不太可能，但是如果不小心你们错过了某节课,你们就可以在之后补回来了。

麻省理工公开课 - 固态化学导论课程节选

And every fair from fair sometimes declines, By chance or nature's changing course untrimmed;

VOA: special.2010.01.06

If the land isn't taken up by large oligarchies life slaveholding class--then the small guy has a chance.

如果土地没有被大的垄断方占有,奴隶阶级,弱小的一方就仍会有希望

耶鲁公开课 - 美国内战与重建课程节选

The researchers say the MySpace pages were chosen by chance.

VOA: special.2009.02.03

Now, if you are standing there with your -- by the way the first three rows have a chance of hitting each other.

现在,如果你站在那里用你的 --,顺便提一下前三排有机会互相攻击

耶鲁公开课 - 古希腊历史简介课程节选

Blinded by a meaningless imperfection and an impossible goal, Aylmer had thrown away her life and with it his chance for happiness.

VOA: special.2009.09.26

But by entering she has a half chance of winning the election.

但是通过参选她赢得了一半获胜的机会

耶鲁公开课 - 博弈论课程节选

But by the end of the movie, she has a chance to let her acting skills shine and she becomes a star.

VOA: special.2009.09.20

among many other things he argued that the South actually had the chance to finally be liberated from being the seat of all of America's sins, by three things.

他观点独特,他说南方事实上有过机会,不再承担美国的所有罪恶,他列举了三点理由

耶鲁公开课 - 美国内战与重建课程节选

Having a happy neighbor who lived next door increased an individual's chance of being happy by 34%.

VOA: special.2009.01.21

One nice thing, by the way -- this is just chance I think -- the median answer in the class was nine, which is spot on, so the median hit this bang on.

顺便提一下,有趣的是,我就是顺便提一嘴,班级中位数也是9,中位数正好也是游戏的答案

耶鲁公开课 - 博弈论课程节选

The climber,played by James Franco, spends one hundred twenty-seven hours trapped alone with little chance of survival.

VOA: special.2011.02.21

So the payoff here is something like u1 if the goal keeper dives to the left is equal to 4, by which I mean there's a 40% chance of scoring.

收益u1表示门将扑向左路时,罚球者从左路进攻的收益是4,也就是说球被射入球门的概率是40%

耶鲁公开课 - 博弈论课程节选

They saw a better chance of success by trying to pass each proposal separately.

VOA: special.2009.04.09

Crime was punished, or innocence was decided, by the result of chance.

VOA: special.2009.04.18

"All that we can say is that by carrying this particular variant, you have a greater chance of being a stutterer."

VOA: standard.2010.02.11

By intensively training more teachers, he says,he hopes more students will get a chance to experience this new approach to learning math.

VOA: standard.2010.08.10

He can take another step in that direction Saturday when the Jamaican four-by-100 relay team is expected to give Bolt a chance for his sixth straight gold.

VOA: standard.2009.08.21

When Hex gets offered the chance to clear his own name by stopping Turnbull from using terror to launch a new civil war, it is an offer the bounty hunter can not turn down.

VOA: standard.2010.06.20

The picturesque town was a popular tourist destination, but the majority of its buildings were crushed by the onslaught of an unprecedented firestorm that advanced with such speed and ferocity and gave many residents little chance of survival.

VOA: standard.2009.03.21