音おん程ていが外はずれる

expression, ichidan verb

be off-pitch; be off-key; be out of tune

Describes singing or playing an instrument where the pitch is not accurate. The phrase is a set expression using 音程 (pitch) and 外れる (to deviate).

• 彼かれは歌うたうとよく音おん程ていが外はずれる。

  He often goes off-pitch when he sings.

• このギターは音おん程ていが外はずれているから、チューニングが必ひつ要ようだ。

  This guitar is out of tune, so it needs tuning.