退たい路ろを断たつ

expression, godan verb (-tsu)

cut off the retreat; burn one's bridges

Idiomatic expression meaning to eliminate any possibility of escape or going back, often used figuratively for committing oneself fully to a course of action.

• 彼かれは退たい路ろを断たって、新あたらしい事じ業ぎょうに挑ちょう戦せんした。

  He burned his bridges and took on a new business venture.

• 退たい路ろを断たつ覚かく悟ごで、この決けつ断だんを下くだした。

  I made this decision with the resolve to cut off all retreat.