thinking cap noun
plural thinking caps
plural thinking caps
Learner's definition of THINKING CAP
[count] informal
—
used to refer to the act of trying to solve a problem by thinking carefully about it动脑筋；通过思考努力解决问题 -
The students weren't wearing their thinking caps this morning. [=they weren't thinking very well]学生们今天早上思维不够活跃。
-
It's time to put your thinking cap on. [=it's time to start trying to think of what should be done]到了该好好动脑筋的时候了。