finish off phrasal verb ( see also ↑ finish )
1 . finish something ↔ off to complete the last part of something that you are doing:
It’ll take me a couple of hours to finish this job off.
2 . finish something ↔ off to use or eat all of something, so there is none left:
Who finished off the cake?
3 . to complete an event, performance, piece of work etc by doing one final thing
finish off with
We’ll finish off with a track from Adam’s new album.
finish something ↔ off
She finished off her speech by thanking her sponsors.
finish off/finish something ↔ off by doing something
Finish off by cleaning the monitor and the keyboard.
4 . finish somebody/something ↔ off to kill a person or animal when they are already weak or wounded
5 . finish somebody ↔ off to take away all of someone’s strength, energy etc:
The walk up the hill really finished me off.