響ひびき合あう

godan verb (-u), intransitive verb

resonate together; sound in harmony; reverberate mutually

Describes sounds or vibrations that interact and blend, often with a sense of harmony or mutual influence. Can be used literally for musical or acoustic contexts, and metaphorically for emotions or ideas resonating between people.

• 教きょう会かいでパイプオルガンの音おとが響ひびき合あっていた。

  The sounds of the pipe organ resonated together in the church.

• 二人ふたりの気き持もちが響ひびき合あって、すぐに仲なか良よくなった。

  Their feelings resonated with each other, and they quickly became close.