thresh /ˈθræʃ, ˈθrɛʃ/
 (vt.)打穀,打,翻滾,反復做,推敲(vi.)打穀,打,顛簸
 Thrash Thresh, v. t. [imp. & p. p. Thrashed p. pr. & vb. n. Thrashing.]
 1. To beat out grain from, as straw or husks; to beat the straw or husk of (grain) with a flail; to beat off, as the kernels of grain; as, to thrash wheat, rye, or oats; to thrash over the old straw.
    The wheat was reaped, thrashed, and winnowed by machines.   --H. Spencer.
 2. To beat soundly, as with a stick or whip; to drub.
 Thrash, Thresh, v. t.
 1. To practice thrashing grain or the like; to perform the business of beating grain from straw; as, a man who thrashes well.
 2. Hence, to labor; to toil; also, to move violently.
 I rather would be Maevius, thrash for rhymes,
 Like his, the scorn and scandal of the times.   --Dryden.
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 Thresh v. t. & i. [imp. & p. p. Threshed p. pr. & vb. n. Threshing.] Same as Thrash.
    He would thresh, and thereto dike and delve.   --Chaucer.
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 thresh
      v 1: move or stir about violently; "The feverish patient thrashed
           around in his bed" [syn: convulse, thresh about, thrash,
            thrash about, slash, toss, jactitate]
      2: move like a flail; thresh about; "Her arms were flailing"
         [syn: flail]
      3: beat the seeds out of a grain [syn: thrash]
      4: give a thrashing to; beat hard [syn: thrash, lam, flail]