Ideally, that demonstration facility would hit a cost of 5 cents or lower per kilowatt, giving coal-fired plants a run for their money.

设想中，该演示设备能让每千瓦电成本降到5美分活或者更低，这让燃煤发电厂的日子很不好过。

youdao

After you've spent a long day at work, it can be tough to get motivated to go for a run or hit the gym.

在工作了一整天之后，你可以很难有精力去跑步或者去体育馆。

youdao

For years, Intel has consistently improved the performance of its chips by making them run at higher and higher clock speeds (measured in MHz or GHz). But it has now hit a wall.

多年以来，英特尔通过提高越来越快的时钟频率(以MHz或者GHz计)，持续不断地改进了芯片的性能，但现在撞上了南墙。

youdao

But someone who hit a home run or hit it out of the park did something extremely well.

VOA: special.2009.04.12

The Obamas can also play tennis on a court on the South Lawn, hit a few golf balls on the putting greens or run around the jogging track.

VOA: special.2009.05.08

In determining disputed tags, possible fan interference or whether a ball has hit the outfield rail or is a home run, why not?

FORBES: Fact and Comment

The new menace is texting, which is not yet banned. (Talking on the phone is, though enforcement is weak.) Since 2004 the city has denied bail to those arrested for drink-driving or hit-and-run accidents, following a case in which an American banker escaped jail despite drunkenly mowing down five policemen.

ECONOMIST: How half of Mexico ended up without driving tests

No-one is sure where the Islamists have gone, he says, and there are concerns that another phase of the war could now begin - one of hit-and-run attacks or suicide bombings.

BBC: French-led troops secure hold on Timbuktu