Phrasal Verb: Catch up
Meaning: Get work, etc, up to date.
Example: I was ill for a fortnight and now I've got to CATCH UP on the work I missed.
Meaning: Reach someone who was ahead of you
Example: He started well, but I CAUGHT him UP on the third lap.
Other Phrasal Verbs
We have 7 phrasal verbs with 'CATCH'