1. A subjunctive verb phrase expressing the desire, requirement, or possibility that someone (you) be made responsible for something or held accountable for actions
I want that you be held accountable for your mistakes.
Quero que você seja responsabilizado pelos seus erros.
2. Used in legal, formal, or serious contexts to indicate that someone should face consequences or be liable
The court decided that you be held accountable for the damages.
O tribunal decidiu que você seja responsabilizado pelos danos.