Some investors worry that Americans are not doing enough to lift the world's largest economy out of recession.

VOA: special.2009.08.21

So if I worry about energy I have a pretty good chance of extracting out these heat capacities, right, and I don't have to worry about exactly which path and I can really mix things up.

而能量与热容有密切的关系,从能量就可以就算出这两个热容，我不需要考虑到底是哪一条路径,可以随意计算。

麻省理工公开课 - 热力学与动力学课程节选

And that way we won't have to worry about running out of time at the end.

这样我们没有必要担心,在最后超时了。

麻省理工公开课 - 固态化学导论课程节选

Students may worry that low grades will keep them out of graduate school or a good job.

VOA: special.2009.03.12

Anything that's built up out of parts, you could at least in principle worry about the parts coming apart and hence the thing being destroyed.

任何由部分组成的东西,至少原则上讲你都可以担心,这个东西会四分五裂，走向毁灭。

耶鲁公开课 - 死亡课程节选

Environmental activists worry that some kinds of fish are in danger of dying out.

VOA: special.2009.06.16

I'm going to post it in a format which will be black and white and easy to print out so you don't have to worry about this.

我会把它做成黑白板式上传,方便同学打印,所以完全不用担心笔记问题

耶鲁公开课 - 心理学导论课程节选

Many say they are now out of work, and they worry for how long.

VOA: standard.2010.06.01

Don't worry about how came about, Heron found this out.

别担心这是怎么来的，海伦发现了这个规律。

麻省理工公开课 - 计算机科学及编程导论课程节选

Co-chair Richard Young. "We are hoping to send out a message to people in Darfur that there are people who still care, people who worry about them and people willing to work and take to the streets to support their needs and their cause."

VOA: standard.2010.05.23

Well, he would love to be fighting at the edge of the Grand Canyon, so that he doesn't have to worry about his right flank, but he's out there in the middle of a field.

如此一来他肯定会喜欢在大峡谷边上战斗,因为那样就不必担心右侧受到攻击,但当他在战场的中央

耶鲁公开课 - 古希腊历史简介课程节选