have your head screwed on (the right way)
US /hæv jʊər hɛd skruːd ɑn (ðə raɪt weɪ)/
UK /hæv jʊər hɛd skruːd ɑn (ðə raɪt weɪ)/

1.
생각이 올바르다, 분별력이 있다
to be sensible and to have good judgment
:
•
She really has her head screwed on the right way; she always makes smart decisions.
그녀는 정말 생각이 올바르다; 항상 현명한 결정을 내린다.
•
You need to have your head screwed on if you want to succeed in this business.
이 사업에서 성공하고 싶다면 생각이 올바라야 한다.