balk [ bɔ:k ]

• n.
  • the area on a billiard table behind the balkline

    "a player with ball in hand must play from the balk"

    同义词： baulk

  • something immaterial that interferes with or delays action or progress

    同义词： hindrance hinderance deterrent impediment baulk check handicap

  • one of several parallel sloping beams that support a roof

    同义词： rafter baulk

  • an illegal pitching motion while runners are on base
• v. refuse to comply

  同义词： resist baulk jib

以上来源于: WordNet