快かい音おん

noun

pleasant sound; pleasing sound; crack of a bat; roar of an engine

Refers to a crisp, satisfying sound, often in sports (e.g., the crack of a bat) or machinery (e.g., a smooth engine roar). The specific meaning depends on context.

• バッターが打うった瞬しゅん間かん、球きゅう場じょうに快かい音おんが響ひびいた。

  The moment the batter hit the ball, a pleasant crack echoed through the stadium.

• エンジンの快かい音おんが心地ここちよい。

  The pleasant roar of the engine is soothing.