He said the security forces would continue to crack down hard on the protestors.

他说安全部队将继续严厉镇压抗议者。

《柯林斯英汉双解大词典》

I'll work hard. I don't want to let him down.

我会努力工作。我不想让他失望。

《柯林斯英汉双解大词典》

I hit him so hard he fell down.

我使劲地打他，他摔倒了。

《柯林斯英汉双解大词典》

To be successful, a person in business works hard and tries to get down to brass tacks.

VOA: special.2010.05.16

Just come in and settle down, because it's very hard to lecture with this amount of traffic.

进来以后就赶紧坐下来,你们这样乱糟糟的我讲不下去

耶鲁公开课 - 基础物理课程节选

It's not that hard, and in particular, notice that all I'm doing here is writing down notation.

这没有你想象的那么难,我只不过写下了一些符号

耶鲁公开课 - 博弈论课程节选

Professionally, we have the work hard concept down cold.

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Torrents are scattered, diverse and hard to pin down, and that makes them incredibly hard to stop.

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By midmorning Thursday, the snow was coming down so hard that Kansas City International Airport shut down.

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