be·hest /bɪˈhɛst/
  命令
  Be·hest n.
  1. That which is willed or ordered; a command; a mandate; an injunction.
     To do his master's high behest.   --Sir W. Scott.
  2. A vow; a promise. [Obs.]
     The time is come that I should send it her, if I keep the behest that I have made.   --Paston.
  Be·hest, v. t. To vow. [Obs.]
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  behest
       n : an authoritative command or request