Definition: something that prevents people from doing what they want to do Level: B2
尽管存在语言障碍，他们很快就成了好朋友。
Despite the ___language ___barrier, they soon became good friends.
害羞是交朋友最大的障碍之一。
Shyness is one of the biggest ___barriers to making friends.
资金不足仍然是创业的一个重大障碍。
A lack of funding remains a significant ___barrier to starting a new business.
