catch up with
US /kætʃ ʌp wɪð/
UK /kætʃ ʌp wɪð/

1.
reach the same point or level as someone or something else
:
•
After being sick for a week, I need to catch up with my schoolwork.
•
The smaller boat struggled to catch up with the larger ship.
2.
meet someone after a period of time and find out what they have been doing
:
•
Let's catch up with each other over coffee next week.
•
It was good to catch up with old friends at the reunion.
3.
start to have a bad effect on someone
:
•
His unhealthy lifestyle is starting to catch up with him.
•
Eventually, the truth will catch up with them.