なすすべもない

expression, i-adjective

helpless; at a loss; having no choice

Describes a situation where one has no means or options left; often implies frustration or desperation.

• 問もん題だいが複ふく雑ざつすぎて、なす術すべもなかった。

  The problem was too complicated, and I was at a loss for what to do.

• 突とつ然ぜんの停てい電でんで、なす術すべもなく暗くら闇やみに包つつまれた。

  With the sudden blackout, we were helplessly enveloped in darkness.