どうしようもなかった

there was nothing one could do

→ どう
phrase Rare #41,647
there was nothing one could do The past form of どうしようもない, used when someone was helpless or unable to change a situation.
JA: 何度も説明したが、彼にはどうしようもなかった。
EN: I explained it many times, but there was nothing he could do.

助けてやりたいとは思う自分でどうしようもなかった

I wanted to help, but there was nothing I could do.

彼らは立ち去る以外どうしようもなかった

They had no choice but to leave.

どうしようもなかった

There was nothing I could do.

— グッドフェローズ (1990)

事故が起こった彼らにはどうしようもなかった

An accident happened, but there was nothing they could do.