shot in the dark

Noun

idiomatic

(idiomatic) A guess, attempt, or choice made with little or no evidence or knowledge.

Japanese Meaning

根拠のない推測や試み / 十分な情報や証拠に基づかない大胆な試み / 偶発的または無謀な挑戦

Sending that email was a shot in the dark, but it led to a great opportunity.

そのメールを送ったのは当てずっぽうの行動だったが、それが素晴らしい機会につながった。

Sense（1）

(idiomatic) A guess, attempt, or choice made with little or no evidence or knowledge.

From listening, I can't tell who composed it. Beethoven, maybe, but that's a shot in the dark.

shots in the dark

（ plural ）