"catch up on" in Chinese (Simplified)

补上赶上（未做完的事情）

Definition

做你之前没能完成的事情，比如工作、睡觉或看新闻。表示努力赶上别人或自己的进度。

属于非正式表达，常用于工作、睡眠、读邮件、看新闻等（如“catch up on sleep”）。不是用来说和某人见面（那是 'catch up with someone'）。通常表示你有些落后，需要补上进度。

I need to catch up on my homework this weekend.

我这个周末需要**补上**作业。

She wants to catch up on some sleep after studying all night.

她通宵学习后想要**补补觉**。

I have to catch up on the news I missed this week.

我得**补看**这周错过的新闻。

After vacation, I spent two days just catching up on emails.

假期后，我花了两天**补处理**邮件。

Let’s stay home tonight so I can catch up on my favorite show.

今晚我们待在家，我可以**补看**我最喜欢的剧。

I finally had some time to catch up on laundry this weekend.

这个周末我终于有时间**补洗**衣服了。