put your thinking cap on

US /pʊt jʊər ˈθɪŋkɪŋ kæp ɑn/
UK /pʊt jʊər ˈθɪŋkɪŋ kæp ɑn/
"put your thinking cap on" picture
1.

开动脑筋, 认真思考

to think seriously and creatively about a problem or challenge

:
We need to put our thinking caps on to solve this complex problem.
我们需要开动脑筋来解决这个复杂的问题。
Okay everyone, put your thinking caps on, we need a new marketing strategy.
好了各位,开动脑筋,我们需要一个新的营销策略。