finish off

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

仕上げる, 終える

to complete the last part of something

:
I need to finish off this report before I leave.
出発する前にこのレポートを仕上げる必要がある。
Let's finish off the remaining work quickly.
残りの仕事を早く片付けよう
2.

仕留める, 殺す

to kill or destroy someone or something completely

:
The disease eventually finished off the old tree.
その病気はついにその老木を枯らした
One more blow will finish him off.
もう一撃で彼を仕留めるだろう。