by a long shot

Prepositional phrase

idiomatic usually with a negative

(idiomatic, usually with a negative) By a wide margin; indicates a very big difference or disparity.

Japanese Meaning

大差で / 圧倒的に / 断然

She wasn't the most experienced candidate by a long shot, but her enthusiasm convinced the committee.

彼女は経験面では大差で最も経験豊富な候補者というわけではありませんでしたが、彼女の熱意が委員会を納得させました。

Sense（1）

(idiomatic, usually with a negative) By a wide margin; indicates a very big difference or disparity.

He couldn't keep up with me, not by a long shot.