stealth /ˈstɛlθ/
  祕密行動,祕密,鬼祟
  Stealth n.
  1. The act of stealing; theft. [Obs.]
     The owner proveth the stealth to have been committed upon him by such an outlaw.   --Spenser.
  2. The thing stolen; stolen property. [Obs.]  “Sluttish dens . . . serving to cover stealths.”
  3. The bringing to pass anything in a secret or concealed manner; a secret procedure; a clandestine practice or action; -- in either a good or a bad sense.
     Do good by stealth, and blush to find it fame.   --Pope.
  The monarch, blinded with desire of wealth,
  With steel invades the brother's life by stealth.   --Dryden.
     I told him of your stealth unto this wood.   --Shak.
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  stealth
       n : avoiding detection by moving carefully [syn: stealing]