表达 “break down barriers” 的意思是 “消除意见分歧，打破沟通障碍，消除隔阂”，强调 “增进不同群体之间的相互理解”。

• The company launched a campaign to improve relations and break down barriers between them and the local community.
  这家公司发起了一场宣传活动，以改善关系并消除他们与当地社区之间的隔阂。
• After several misunderstandings between the workers and team leaders, meetings were held to break down barriers.
  在工人和团队领导之间发生了几次误会之后，为了增进双方之间的理解，公司举行了会议。
• The talks were held to break down barriers between the two countries, but not much progress was made.
  会谈旨在消除两国分歧，但进展甚微。