catch up with / check in

•  catch up with  따라잡다

He just couldn't catch up with her.

I missed a week of school, so I had to catch up with with my class.

We ran to catch up with Larry.

Your team is really far behind.

> Yes. I don't think we can catch up with yours.

 

• check in   수속을 하다, 연락하다, 숙박하다

When you arrive, check in by singing your name on the list.

You must check in at the front desk.

Please check in with me when you get here.

What time does your plane for Paris leave?

> It leaves at ten o'clock, but I have to check in by eight o'clock.