"Having the Saudis working with you makes a big difference, and having the Saudis working against you also makes a big difference and it's better to have them working with you,".

VOA: standard.2009.06.02

where you... where you are working against the loads.

在你……和一身的负荷抗争的时候。

要拥有好身材 - SpeakingMax英语口语达人

Somebody say it real loud. Yes, the system is working on the surroundings, right? It's pushing out against them.

有人很大声的回答了，对，系统在对外做功，他把外界向外推开。

麻省理工公开课 - 热力学与动力学课程节选

Scientists are working on vaccines to protect against the new virus.

VOA: special.2009.06.10

Because it's working to defend us against many different kinds of potential assaults, the immune system has a diverse repertoire of responses that it uses in the face of these assaults.

免疫系统的工作就是抵御,不同种类的潜在威胁,免疫系统具备类型众多的免疫反应类型,以应对各种威胁

耶鲁公开课 - 生物医学工程探索课程节选

She spoke out against child labor and unsafe working conditions.

VOA: special.2009.03.16

So, in particular, let's start working out what share of the votes you'd get if you chose position 1 or position 2, against different positions the other guy can choose.

先来看看如果你选择立场1和2,在你对手选择不同立场时,你分别能获得多少选票

耶鲁公开课 - 博弈论课程节选

We have a world finalist from China who's been working on the Watson Supercomputer that in the near future will be playing Jeopardy against the best Jeopardy players in the world.

VOA: special.2010.03.11

He adds authorities are working to fill security gaps to better defend against such incidents in the future.

VOA: standard.2009.08.10

This is a heinous crime committed against those who had been working tirelessly to assist the poor and the vulnerable on the front-lines of hunger and other suffering in Pakistan."

VOA: standard.2009.10.05

"Maybe it would be nice if he (Obama) sees that he is working for the people, and he sees that the people are so drastically against a lot of his policies that maybe he might re-think it and say, 'Let's see what we can all work out together."

VOA: standard.2009.09.12