やり残のこし

noun

things left undone; unfinished business

Refers to tasks, work, or matters that remain incomplete or were not done. Often used with a sense of regret or as a reminder.

• 今日きょう中じゅうにやり残のこしを片かた付づけなければならない。

  I have to take care of the things I left undone today.

• やり残のこしがないように、リストを確かく認にんしよう。

  Let's check the list so that nothing is left undone.