cheep /ˈʧip/
 吱吱的叫聲(vt.)(vi.)吱吱地叫
 Cheep v. i. [imp. & p. p. Cheeped ] . To chirp, as a young bird.
 Cheep, v. t. To give expression to in a chirping tone.
    Cheep and twitter twenty million loves.   --Tennyson.
 Cheep, n. A chirp, peep, or squeak, as of a young bird or mouse.
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 cheep
      n : the short weak cry of a young bird [syn: peep]
      v : make high-pitched sounds; of birds [syn: peep, twirp, chirp,
           chirrup]