She bounced the ball against the wall.

她对着墙打球。

《牛津词典》

The euro remained firm against the dollar, but fell against the yen.

欧元对美元依然坚挺，但对日元的汇率则下跌。

《牛津词典》

The car bumped against the kerb.

汽车撞上了路缘。

《牛津词典》

South African researchers at the international AIDS conference in Vienna,Austria have announced major progress in the fight against the disease.

VOA: special.2010.07.21

He's going to try to give us a living prose, but this is the end against which it finds itself pressed.

试图给我们一部活生生的作品，但是这中留白成了,他最终努力的结果。

耶鲁公开课 - 1945年后的美国小说课程节选

Let's imagine maybe instead we just immediately dropped the pressure let the system expand against the lower pressure.

现在假设,我们很快地降低压力,让系统在低的外压力下膨胀。

麻省理工公开课 - 热力学与动力学课程节选

The dollar rose against the euro but was flat to slightly lower against the yen.

WSJ: Stocks Fall on China Data, Commodities Selloff

We are comparing the Chinese yuan against the dollar and then against the trade-weighted Chinese yuan.

FORBES: The Chinese Renminbi is Going Down, Not Up

The dollar slipped against the yen, erasing earlier gains, but rose against the euro.

WSJ: Stocks Falter