But Jim White made it his life's work to make sure the public would see and enjoy the cavern.

VOA: special.2009.12.07

Well, as long as you mentioned your recent work, I wanted to get into, to make sure that we have a chance to talk about this important book.

既然您提到了您最近的著作，我们就借此机会,来谈一谈这本重要的书。

普林斯顿公开课 - 人性课程节选

and just, you know, work hard and study, do your homework, eat well too, I'm sure that helps

所以，我的建议是，努力学习，认真完成作业，
同时也好好吃饭，这真的很重要哦。

如果是在考虑留学 - SpeakingMax英语口语达人

Others carried out energy studies of city school buildings to make sure the equipment and systems work effectively.

VOA: special.2009.09.04

That's right. Louisiana Slim he's sometimes called. Yes, Sir. I sure have met Big Slim. And he used to work in the east Texas oil fields?"

对，人们有时叫他路易斯安那的细杆，是的先生我肯定,遇见过，他过去是不是经常在得克萨斯州东部的油田工作？“

耶鲁公开课 - 1945年后的美国小说课程节选

"That means that all of us have to work together to make sure that we are taking seriously the investments we make in our children's future."

VOA: standard.2010.02.22

So I differentiated this object, this is my first derivative and I set it equal to 0 Now in a second I'm going to work with that, but I want to make sure i'm going to find a maximum and not a minimum, so how do I make sure I'm finding a maximum and not a minimum?

这样我就对它求出导数了,这是一阶导数,令它等于0,一会我们就要计算了,但我先确定一下是最大值还是最小值,我怎么确定是最大值还是最小值呢

耶鲁公开课 - 博弈论课程节选

That is the important of this legislation and moving forward we have to work in a bipartisan way to make sure that this does not happen again."

VOA: standard.2009.03.17

But, it doesn't always work because you have to be damn sure you're right.

但此方法也不经常奏效因为你必须得,十分肯定你的做法是正确的。

耶鲁公开课 - 金融市场课程节选

That Mama, she sure was right. It's funny how things work out.

VOA: standard.other

You've got to spend the time to make sure that everything is well defined before you start trying to work out these problem More about the path. There are a couple ways you could go through that pass If I look at this smooth path here.

你要花时间确认,在你开始尝试解题前,切已经被很好地定义,关于路径还有些问题,你可以用两种不同的方式经过这条路径,看这条平滑的路径。

麻省理工公开课 - 热力学与动力学课程节选

We need to make sure that all Americans, not just the folks who happen to work on Wall Street, feel that we are digging ourselves out of the hole,"

VOA: standard.2009.12.05

I'm not sure if she has to work this weekend or not.

我不清楚这周末她要不要上班。

Let me 实战 - SpeakingMax英语口语达人

"Tea is the world's second most popular drink, second to water, and there are literally thousands of tea formulations around the world, so the challenge for us, isn't finding new tea recipes, it's focusing and making sure we're developing things that are going to work."

VOA: standard.2010.02.17

I have to make sure that I get this report into work,

我还得确保这份报告能完成。

I have 实战 - SpeakingMax英语口语达人

"We have been tasked by our respective presidents the foreign minister and I, to put meat on the bones, so to speak, to get to work to make sure that the expectations of both President Zuma and President Obama are met as we work more closely together on our bi-lateral relationship as well as on regional and global challenges.

VOA: standard.2009.08.08

You made sure that you finished your work.

你确保每项工作都做完了。

I was 课堂 - SpeakingMax英语口语达人

"I do appeal to the candidates and to their campaigns and also to the voters to demonstrate the patience and calm that is required for the ECC to carry out its work in order to make sure that when we look back at the entire election process that we can say that it had the credibility that is required,"

VOA: standard.2009.08.24