a state in which one thinks, especially carefully: put on one's thinking cap

Английский Язык - Английский Язык

Определение a state in which one thinks, especially carefully: put on one's thinking cap в Английский Язык Английский Язык словарь

thinking cap

Расстановка переносов

a state in which one thinks, es·pe·cial·ly carefully: put on one's think·ing cap