Phrasal Verb: Catch up with

Meaning: Do something that should have been done earlier

Example: I'm going home to CATCH UP WITH my sleep.

Meaning: Meet someone after a period of time and find out what they have been doing

Example: I CAUGHT UP WITH her at the conference.

Meaning: When something negative starts to have an effect

Example: His criminal behaviour is starting to CATCH UP WITH him.

Meaning: Punish someone after they have been doing something wrong for a long time

Example: The tax authorities CAUGHT UP WITH me for not submitting my tax returns.

Meaning: Learn something new that many people already understand

Example: My mother's trying to CATCH UP WITH computers.