onomatopoeia for the sound of people whispering or chattering; twittering

(bound form) looking bashful or appearing ashamed

describes doing things or speaking in a straightforward and efficient manner, without any hesitation or messiness

(literary or colloquial) the sound of whispering or twittering; now more commonly written as [[嘁嘁喳喳|嘁嘁喳喳|qi1 qi5 cha1 cha1]]