thinking cap

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thinking cap

BrE

/ˈθɪŋkɪŋ kæp/

NAmE

/ˈθɪŋkɪŋ kæp/

noun

●put your ˈthinking cap on

(

informal

)

to try to solve a problem by thinking about it 动脑筋；通过思考努力解决问题