not hit a cow's arse with a banjo

動詞

someone who has poor aim and misses even easy opportunities, particularly in sports

日本語の意味

容易に狙えるチャンスすら逃してしまう、狙いが悪い人 / スポーツなどで簡単に当たるべき機会をものにできない、不器用な人

He tends to not hit a cow's arse with a banjo during pick-up games, missing even the simplest shots.

彼は草野球の試合では、どんなに簡単なシュートでも外してしまう。

意味（1）

someone who has poor aim and misses even easy opportunities, particularly in sports