piichiku-paachiku
The lively, ceaseless chorus of small birds chattering. Also used metaphorically for a group of people talking noisily and nonstop.
💡Sparrows gathering on a wire at dawn — 'The birds were all going piichiku-paachiku, holding a noisy meeting.'
小鳥たちが朝からぴいちくぱあちくと鳴いている。
The small birds have been chattering piichiku-paachiku since morning.
The sparrows on the wire were chattering ___ as if holding a meeting.
電線の上のすずめたちが、まるで会議をするように○○鳴いていた。