1. to create obstacles or impediments that prevent progress, communication, or access
The new regulations raise barriers to entry for small businesses.
Os novos regulamentos levantam barreiras à entrada para pequenas empresas.
2. to establish defensive or protective measures; to set up defenses
He tends to raise barriers emotionally when feeling vulnerable.
Ele tende a levantar barreiras emocionais quando se sente vulnerável.
3. to impose trade or economic restrictions
Countries may raise barriers against foreign imports to protect domestic industries.
Os países podem levantar barreiras contra importações estrangeiras para proteger as indústrias domésticas.