catch up on

US /kætʃ ʌp ɑːn/
UK /kætʃ ʌp ɑːn/
"catch up on" picture
1.

补上, 处理

to do something that you have not been able to do recently and that you need to do

:
I need to catch up on my sleep this weekend.
我这个周末需要补觉
She spent the afternoon catching up on her emails.
她花了一个下午处理她的电子邮件。
2.

了解近况, 获取最新信息

to learn or hear about the latest news or information about someone or something

:
Let's meet for coffee and catch up on all the gossip.
我们喝咖啡聊聊,了解一下所有的八卦。
I called my friend to catch up on her news.
我打电话给我的朋友,了解她的近况。