put your thinking cap on
US /pʊt jʊər ˈθɪŋkɪŋ kæp ɑn/
UK /pʊt jʊər ˈθɪŋkɪŋ kæp ɑn/

1.
colocar o chapéu de pensar, pensar seriamente
to think seriously and creatively about a problem or challenge
:
•
We need to put our thinking caps on to solve this complex problem.
Precisamos colocar nossos chapéus de pensar para resolver este problema complexo.
•
Okay everyone, put your thinking caps on, we need a new marketing strategy.
Ok, pessoal, coloquem seus chapéus de pensar, precisamos de uma nova estratégia de marketing.