chirping (adj.)吱吱叫
Chirp v. i. [imp. & p. p. Chirped p. pr. & vb. n. Chirping.] To make a shop, sharp, cheerful, as of small birds or crickets.
Chirp·ing a. Cheering; enlivening. He takes his chirping pint, he cracks his jokes. --Pope. ◄ ►