His parents are both teachers and they are really busy, so he often helps do the housework at home.

他的父母都是老师，他们都很忙，所以他在家经常帮忙做家务。

youdao

The past month has been really busy at work.

上个月工作实在是忙。

《牛津词典》

We've been really busy, but things are starting to slacken off now.

近来我们的确很忙，不过现在情况开始有所缓解了。

《牛津词典》

Or if you go to like little studios or galleries and their openings are really busy.

比如，如果你去小型的工作室或美术馆，那儿开放时真的很拥挤。

艺术画廊，来吧 - SpeakingMax英语口语达人

because it's got... It's really touristy. It's really busy. There's always things going on.

因为它变得……那里的游客真的很多。那里确实很热闹。经常举办活动。

伦敦的约会路线 - SpeakingMax英语口语达人

and we've been really busy this week preparing for our Super Bowl commercials.

我们也会因为准备超级大赛的商业宣传而变的非常忙。

在广告公司工作 - SpeakingMax英语口语达人

"Chris is really, really busy right now--he can't talk to you, " the receptionist answered.

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There are periods of low, but now with the new role in support of Iraqi forces, everyone is really busy.

BBC: 'The TA plays a crucial role'

The aide, though, noted that McCain doesn't "have a really busy day" as he keeps a close eye on Hurricane Gustav.

CNN: Gustav prompts major changes to RNC agenda