Questions & Answers about A casa, si è autonomi e concentrati.
Why are autonomi and concentrati plural if the verb è is singular?
If this statement is strictly about a group of women, do the adjectives change?
Could si è here be translated as "we are" instead of "one is"?
Why is it just a casa instead of alla casa?
A casa is a fixed, everyday expression meaning "at home" (or "to home"). You don't use the definite article here unless you are describing a specific house, like alla casa di Paolo (at Paolo's house).