be·chance /bɪˈʧæn(t)s/
  (vt.)使發生,產生
  Be·chance adv.  By chance; by accident. [Obs.]
  Be·chance, v. t. & i. To befall; to chance; to happen to.
     God knows what hath bechanced them.   --Shak.
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  bechance
       v 1: become of; happen to; "He promised that no harm would befall
            her"; "What has become of my children?" [syn: befall,
            betide]
       2: happen, occur, or be the case in the course of events or by
          chance; "It happens that today is my birthday"; "These
          things befell" (Santayana) [syn: happen, befall]