finish off

US /ˈfɪn.ɪʃ ɑːf/
UK /ˈfɪn.ɪʃ ɑːf/
"finish off" picture
1.

finir, achever

to complete the last part of something

:
I need to finish off this report before I leave.
Je dois finir ce rapport avant de partir.
Let's finish off the remaining work quickly.
Finissons rapidement le travail restant.
2.

achever, tuer

to kill or destroy someone or something completely

:
The disease eventually finished off the old tree.
La maladie a finalement achevé le vieil arbre.
One more blow will finish him off.
Un coup de plus l'achèvera.