draw a line under something

US /drɔː ə laɪn ˈʌndər ˈsʌmθɪŋ/
UK /drɔː ə laɪn ˈʌndər ˈsʌmθɪŋ/
"draw a line under something" picture
1.

to consider something to be finished and to not think about it or discuss it anymore

:
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It's time to draw a line under the argument and move on.
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Let's just draw a line under what happened and start fresh.
:
line drawingdraw the line(draw) a line in the sandlay something on the linedrawingdrawdraw on