ブーン

adverb taking the 'to' particle, adverb

whirr; hum; buzz

Represents a continuous low-pitched sound like a motor, fan, or insect wings.

• 扇せん風ぷう機きがブーンと回まわっている。

  The electric fan is whirring.

• 蚊かが耳みみ元もとでブーンとうるさかった。

  A mosquito buzzed annoyingly near my ear.

adverb taking the 'to' particle, adverb

whoosh; whiz

Represents a swift, rushing sound, like a fast-moving object or wind.

• 車くるまがブーンと通とおり過すぎた。

  A car whooshed past.