思おもい残のこす

godan verb (-su), transitive verb

leave with regret; have unfinished feelings

Used when one leaves something behind with lingering attachment or regret, often in negative constructions like 思い残すことはない (to have no regrets).

• 思おもい残のこすことのないように、今いまのうちにやりたいことをやっておこう。

  Let's do what we want to do now so that we won't have any regrets later.

• 彼かれは何なにも思おもい残のこすことはないと言いって、静しずかに息いきを引ひき取とった。

  He passed away peacefully, saying he had no regrets.