**Here are some examples of using the word «barrier» in English:**
1. The language barrier between us was a real obstacle to our communication.
2. The security guard at the entrance asked us to show our ID as a barrier against unauthorized entry.
3. The high walls around the estate acted as a barrier to prevent intruders from entering the property.
4. The economic barriers created by trade restrictions hinder the development of international cooperation.
5. The language and cultural differences between the two countries were a significant barrier to their cooperation.
6. The bureaucratic barriers in the government system slow down decision-making and implementation of projects.
7. The psychological barrier of fear of failure prevented him from trying new things and achieving his goals.
8. The physical barrier of a mountain range separated the two regions and made communication difficult.
9. The lack of access to education and healthcare was a major barrier to improving the quality of life in the region.
10. The cultural barrier of different values and beliefs made it difficult for them to understand and accept each other.