tra·vail /trəˈve(ə)l, ˈtræˌvel/
  分娩的痛苦,陣痛,辛勞(vi.)發生陣痛,辛勞
  tra·vail /trəˈve(ə)l, ˈtrævˌel/ 名詞
  分娩,生產
  Trav·ail n.
  1. Labor with pain; severe toil or exertion.
     As everything of price, so this doth require travail.   --Hooker.
  2. Parturition; labor; as, an easy travail.
  Trav·ail, v. i. [imp. & p. p. Travailed p. pr. & vb. n. Travailing.]
  1. To labor with pain; to toil. [Archaic] “Slothful persons which will not travail for their livings.”
  2. To suffer the pangs of childbirth; to be in labor.
  Trav·ail, v. t. To harass; to tire. [Obs.]
     As if all these troubles had not been sufficient to travail the realm, a great division fell among the nobility.   --Hayward.
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  travail
       n 1: concluding state of pregnancy; from the onset of labor to
            the birth of a child; "she was in labor for six hours"
            [syn: parturiency, labor, labour, confinement, lying-in,
             childbed]
       2: use of physical or mental energy; hard work; "he got an A
          for effort"; "they managed only with great exertion" [syn:
           effort, elbow grease, exertion, sweat]
       v : work hard; "She was digging away at her math homework";
           "Lexicographers drudge all day long" [syn: labor, labour,
            toil, fag, grind, drudge, dig, moil]