goalposts

例句:

• He could see only the hazy outline of the goalposts.
  他只能看见球门柱模糊的轮廓。
  
• Goalposts were roughly chalked out on the playground wall.
  操场的墙上已经标出了球门柱的轮廓.
  
• The boys chalked out goalposts on the sports ground wall.
  男孩子们在运动场边的墙上用粉笔画上了球门柱.
  
• But News From Nowhere shifts the goalposts once again.
  来自BBC
• We are really frustrated at their frequently moving the goalposts.
  来自BBC
• I hope they won't move the goalposts this time !
  来自BBC