dab /ˈdæb/
  (v.)輕叩,輕拍,輕撫,輕擦一點,些許,少量;高手,能手,專家
  Dab v. i. [imp. & p. p. Dabbed p. pr. & vb. n. Dabbing.]
  1. To strike or touch gently, as with a soft or moist substance; to tap; hence, to besmear with a dabber.
     A sore should . . . be wiped . . . only by dabbing it over with fine lint.   --S. Sharp.
  2. To strike by a thrust; to hit with a sudden blow or thrust. “To dab him in the neck.”
  Dab n.
  1. A gentle blow with the hand or some soft substance; a sudden blow or hit; a peck.
     A scratch of her claw, a dab of her beak.   --Hawthorne.
  2. A small mass of anything soft or moist.
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  Dab n.  A skillful hand; a dabster; an expert. [Colloq.]
     One excels at a plan or the titlepage, another works away at the body of the book, and the third is a dab at an index.   --Goldsmith.
  Dab, n.  Zool. A name given to several species of flounders, esp. to the European species, Pleuronectes limanda. The American rough dab is Hippoglossoides platessoides.
  dab
       n 1: a light touch or stroke [syn: tap, pat]
       2: a small quantity of something moist or soft; "a dab of
          paint"; "a splatter of mud" [syn: splash, splatter]
       v 1: apply (usually a liquid) to a surface; "dab the wall with
            paint" [syn: swab, swob]
       2: hit lightly; "pat him on the shoulder" [syn: pat]
       [also: dabbing, dabbed]