決けっ着ちゃくをつける

expression, ichidan verb

settle a dispute; bring to a conclusion

Used for resolving arguments, conflicts, or unsettled matters decisively. Often implies a final resolution after discussion or struggle.

• 長ながい議ぎ論ろんの末すえ、ようやく問もん題だいに決けっ着ちゃくをつけた。

  After a long discussion, they finally settled the issue.

• この争あらそいに決けっ着ちゃくをつける時ときが来きた。

  The time has come to put an end to this dispute.