He works really hard.

他工作很努力。

youdao

Some kids press down really hard when they write.

有些孩子写字时压得很紧。

youdao

You think you're really hard, don't you?

你是不是以为自己真的很勇猛？

《牛津词典》

He said life is sometimes really hard, but you can make it a lot better if you try to prepare for it.

VOA: special.2010.05.16

Bad things can happen, so it's really, really hard to just focus on getting things right and not winning the argument.

坏事情总会发生，所以要想将精力,集中于把事情做好,而不是去赢得这场争论真的很难。

耶鲁公开课 - 金融市场课程节选

So it's actually really hard to find like a boyfriend or guys who are interested in you at NYU.

所以，要想在纽约大学找一个对你感兴趣的男朋友或男生，真的很困难。

在哥伦布环岛 - SpeakingMax英语口语达人

And we've worked really hard with her, and this is a totally out-of-character behavior.

NPR: The Ethicist: Weighing a Canine Conundrum

They're going to try to bounce back, and we're expecting them to come out really hard.

WSJ: Rangers looking for 2nd straight 0-2 comeback

The tools and technology of that time made it really hard to bring this team together.

FORBES: TP and Me: How to do Mergers and Acquisitions from the Comfort of Your Home