At this range I could hear the chirp of their hard drives and the whine of their backup batteries charging.

The crickets sing, and I hear the chirping of birds besides.

As her hand touched the doorknob, she heard the chirping again, and she relaxed.

He heard the chirping of birds in the trees.

In my walks and drives of late I have scarcely heard the chirp of a bird.

He heard the chirp of a combadge.

At the garbage can she heard the chirping of girls through a glazed window into the clubhouse.

I could hear the chirping of the sparrows in the thatched roof, but no other sound broke the deep stillness.

Annja heard the chirp in her ear, followed by the voice she knew Vic was hearing at the same time.

"Hist, sir, didn't you hear the chirp of a block?" said he in a whisper.

I was glad when I had left the town behind me, and saw the reapers in the corn-fields, and heard the chirp of the birds.