白はく紙しに戻もどす

expression, godan verb (-su)

wipe the slate clean; start anew; reset to a blank state

Idiomatic expression meaning to reset a situation, plan, or relationship back to its original, undecided state, as if returning to a blank sheet of paper.

• 交こう渉しょうが決けつ裂れつしたので、計けい画かくを白はく紙しに戻もどすことにした。

  Since the negotiations broke down, we decided to go back to the drawing board with the plan.

• 過か去このいざこざは白はく紙しに戻もどして、新あたらしい関かん係けいを築きずきましょう。

  Let's wipe the slate clean of past troubles and build a new relationship.