突とっ破ぱ口こうを開ひらく

expression, godan verb (-ku)

make a breakthrough; break ground

Used for overcoming a difficult situation, making a decisive advance, or opening a way forward in research, negotiations, or a stalemate.

• 長なが年ねんの研けん究きゅうがついに突とっ破ぱ口こうを開ひらいた。

  Years of research finally made a breakthrough.

• 交こう渉しょうで突とっ破ぱ口こうを開ひらくために、新あたらしい提てい案あんを出だした。

  We put forward a new proposal to break the deadlock in negotiations.