Research carried out at the respected Harvard University in the US showed the brain to be hard at work during lucid dreams.

而在美国哈佛大学实施的研究表明，在人们做“清醒梦”的时候，他们的大脑也在辛勤工作。

youdao

Research carried out at the respected Harvard University in the US showed the brain to be hard at work during lucid dreams.

在美国名校哈佛大学开展的研究显示，在做清醒梦期间，大脑也在辛勤工作。

youdao

You might be in for a shock at the sheer hard work involved.

对所涉及的这些绝对艰难的工作，你也许会大吃一惊。

《柯林斯英汉双解大词典》

"While passions and politics can often obscure the hard work before us,let's be clear about what this moment demands, we are at war,"

VOA: standard.2010.01.19

"I think they have to have an example like some stars like Landon Donovan on the US national team of the World Cup so they can see what an example is and what they could be like when they grow up and work hard at football."

VOA: standard.2010.06.15

Both Amazon and Apple will be hard at work setting up their own music streaming services.

FORBES: Amazon's Music Store Grows As Streaming Becomes The New Battleground With Apple

Meanwhile, members of the 1946-64 baby-boom generation will be hard at work, presumably earning rising incomes and paying swelling Social Security taxes, even without a further increase.

CNN: A Debt-Threatened Dream

After emerging as the darling of retail customers over the past few years, Apple seems to be hard at work wooing enterprises as well as government bodies.

FORBES: Apple Snaps Up Enterprise Customers At BlackBerry's Expense