闇やみに鉄てっ砲ぽう

expression, noun

acting without a clear goal; shooting in the dark

Idiomatic expression describing aimless action or effort without a defined objective. The literal image is 'a rifle in the dark'.

• 計けい画かくもなしに始はじめるのは闇やみに鉄てっ砲ぽうだ。

  Starting without a plan is like shooting in the dark.

• 彼かれのやり方かたはまさに闇やみに鉄てっ砲ぽうで、成せい果かが出でるかどうかわからない。

  His approach is exactly like firing blindly; there's no telling if it will yield results.