slap·dash /ˈslæpˈdæʃ, ˌdæʃ/
  草率(a.)猛烈的,粗心的
  Slap·dash adv.
  1. In a bold, careless manner; at random. [Colloq.]
  2. With a slap; all at once; slap. [Colloq.]
  Slap·dash, v. t. To apply, or apply something to, in a hasty, careless, or rough manner; to roughcast; as, to slapdash mortar or paint on a wall, or to slapdash a wall. [Colloq.]
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  slapdash
       adj : marked by great carelessness; "a most haphazard system of
             record keeping"; "slapdash work"; "slipshod spelling";
             "sloppy workmanship" [syn: haphazard, slipshod, sloppy]
       adv 1: in a careless or reckless manner; "the shelves were put up
              slapdash" [syn: slam-bang]
       2: directly; "he ran bang into the pole"; "ran slap into her"
          [syn: bang, slap, smack, bolt]