twit·ter /ˈtwɪtɚ/
 鳥鳴聲,喋喋不休(vi.)囀,鳥鳴,擺動(vt.)嘁嘁喳喳地講,抖動
 Twit·ter, n.
 1. The act of twittering; a small, tremulous, intermitted noise, as that made by a swallow.
 2. A half-suppressed laugh; a fit of laughter partially restrained; a titter; a giggle.
 3. A slight trembling or agitation of the nerves.
 ◄ ►
 Twit·ter, v. t. To utter with a twitter.
 Twit·ter n.  One who twits, or reproaches; an upbraider.
 Twit·ter, v. i. [imp. & p. p. Twittered p. pr. & vb. n. Twittering.]
 1. To make a succession of small, tremulous, intermitted noises.
    The swallow twittering from the straw-built shed.   --Gray.
 2. To make the sound of a half-suppressed laugh; to titter; to giggle.
 3.  To have a slight trembling of the nerves; to be excited or agitated.
 twitter
      n : a series of chirps [syn: chirrup]
      v : make high-pitched sounds, as of birds [syn: chitter]