Значение идиомы put on one’s thinking cap

[put on one’s thinking cap] {v. phr.} To think hard and long aboutsome problem or question.

Miss Stone told her pupils to put ontheir thinking caps before answering the question.



Диалог на английском как я провел выходные.
American society seems to be much more informal.


Значение идиомы put on one’s thinking cap