roadblock [ˈroʊdblɑ:k]

例句:

• The police had set up a roadblock and waved several drivers down.
  警方设下路障并挥手示意几位司机停车.
  
• Police have set up a roadblock on the road to London.
  警察在通往伦敦的路上设置了路障.
  
• Six policemen started to erect a roadblock.
  六个警察着手建立一道路障.
  
• His personal efforts have so far hit a roadblock.
  来自VOA
• He supports the initiative, but sees an obvious roadblock.
  来自VOA
• Carved fetish figurines stood guard alongside the roadblock.
  来自NEWYORKER