sclaff /ˈsklæf/
  (v.)使球杆在擊毬之前打到地面
  Sclaff v. i.  [imp. & p. p. Sclaffed p. pr. & vb. n. Sclaffing.]
  1. To scuff or shuffle along. [Scot.]
  2.  Golf To scrape the ground with the sole of the club, before striking the ball, in making a stroke.
  Sclaff, v. t. Golf To scrape (the club) on the ground, in a stroke, before hitting the ball; also, to make (a stroke) in that way.
  Sclaff, n.  [Scot.]
  1. A slight blow; a slap; a soft fall; also, the accompanying noise.
  2.  Golf The stroke made by one who sclaffs.
  3.  A thin, solid substance, esp. a thin shoe or slipper.
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  sclaff
       n : a poor golf stroke in which the club head hits the ground
           before hitting the ball
       v 1: strike (a gold ball) such that the ground is scraped first
       2: strike (the ground) in making a sclaff