keep (all) your wits about you
US /kiːp ɔl jʊər wɪts əˈbaʊt ju/
UK /kiːp ɔl jʊər wɪts əˈbaʊt ju/

1.
정신을 바짝 차리다, 침착하게 대처하다
to stay alert and be able to think quickly in a difficult or dangerous situation
:
•
You need to keep all your wits about you when driving in heavy traffic.
교통 체증이 심한 곳에서 운전할 때는 정신을 바짝 차려야 합니다.
•
It's a dangerous situation, so keep your wits about you.
위험한 상황이니 정신을 바짝 차려.