後あとがない

expression, i-adjective

have one's back to the wall; have nowhere to go; have no way out; have no second chance

Describes a desperate situation with no escape or no further opportunity. Often used when failure is not an option or when a last chance is at stake.

• もう後あとがないので、次つぎの試し合あいは絶ぜっ対たいに勝かたなければならない。

  We have no more chances, so we absolutely must win the next match.

• 借しゃっ金きんが膨ふくらんで、彼かれは後あとがない状じょう態たいだ。

  With mounting debts, he has his back to the wall.