vi.

1. （鳥等）吱吱叫，啁啾
   The birds were hopping about on their perches and twittering.

   鳥兒在棲木上跳來跳去，吱吱地叫著。

2. 唧唧喳喳地講話[（+on/away）]
3. 格格地笑
4. （因激動等）顫抖；緊張

vt.

1. （鳥等）吱吱叫，啁啾地唱出
2. 唧唧喳喳地講述

n.

1. （鳥等的）吱吱叫，啁啾聲[U][the S]
2. 唧唧喳喳聲；格格的笑聲[C]
3. （因激動引起的）顫抖，緊張[S]

v.

1. (of a bird) make a series of light tremulous sounds.
2. talk rapidly in a nervous or trivial way.

n.

1. a twittering sound.
2. trivial talk.