have a good head on your shoulders
US /hæv ə ɡʊd hɛd ɑn jʊər ˈʃoʊl.dərz/
UK /hæv ə ɡʊd hɛd ɑn jʊər ˈʃoʊl.dərz/

1.
ter a cabeça no lugar, ser sensato
to be sensible and intelligent
:
•
She really has a good head on her shoulders, always making smart decisions.
Ela realmente tem a cabeça no lugar, sempre tomando decisões inteligentes.
•
Even at a young age, he seemed to have a good head on his shoulders.
Mesmo jovem, ele parecia ter a cabeça no lugar.