1. A situation, condition, or circumstance that does not allow for relaxation or ease; something that demands constant attention or vigilance
This job is something that you cannot relax with - it requires constant focus.
Este trabalho é algo que não podes relaxar - requer foco constante.
2. A state of tension or pressure where one cannot let their guard down
Living in a high-crime area is something that you cannot relax about.
Viver numa área de criminalidade elevada é algo que não podes relaxar.