retch /ˈrɛʧ, ||ˈriʧ/
  (vi.)作嘔,反胃(vt.)嘔吐反胃,要吐的聲音
  retch =/ˈrɛʧ, <ɪ>ɛsp ɑrɪtɪʃɪ> ˈrɪʧ/= 不及物動詞
  乾嘔
  Retch v. i. [imp. & p. p. Retched p. pr. & vb. n. Retching.]  To make an effort to vomit; to strain, as in vomiting. [Written also reach.]
  Beloved Julia, hear me still beseeching!
  (Here he grew inarticulate with retching.)   --Byron.
  Retch, v. t. & i.  To care for; to heed; to reck. [Obs.]
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  retch
       n : an involuntary spasm of ineffectual vomiting; "a bad case of
           the heaves" [syn: heave]
       v 1: eject the contents of the stomach through the mouth; "After
            drinking too much, the students vomited"; "He purged
            continuously"; "The patient regurgitated the food we
            gave him last night" [syn: vomit, vomit up, purge,
             cast, sick, cat, be sick, disgorge, regorge,
             puke, barf, spew, spue, chuck, upchuck, honk,
             regurgitate, throw up] [ant: keep down]
       2: make an unsuccessful effort to vomit; strain to vomit [syn:
          gag, heave]