draw a line under something
US /drɔː ə laɪn ˈʌndər ˈsʌmθɪŋ/
UK /drɔː ə laɪn ˈʌndər ˈsʌmθɪŋ/

1.
mengakhiri, menutup buku
to consider something to be finished and to not think about it or discuss it anymore
:
•
It's time to draw a line under the argument and move on.
Sudah waktunya untuk mengakhiri argumen dan melanjutkan.
•
Let's just draw a line under what happened and start fresh.
Mari kita mengakhiri apa yang terjadi dan memulai yang baru.