polish off
US /ˈpɑːl.ɪʃ ɑːf/
UK /ˈpɑːl.ɪʃ ɑːf/

1.
finir, achever
to finish something completely, especially food or drink
:
•
He managed to polish off the entire pizza by himself.
Il a réussi à finir toute la pizza tout seul.
•
Let's polish off the rest of the cake.
Finissons le reste du gâteau.
2.
éliminer, vaincre
to defeat or kill someone or something quickly and easily
:
•
The champion boxer managed to polish off his opponent in the first round.
Le boxeur champion a réussi à éliminer son adversaire au premier round.
•
The new software will polish off any remaining bugs.
Le nouveau logiciel va éliminer tous les bugs restants.