think on your feet
US /θɪŋk ɑn jʊər fiːt/
UK /θɪŋk ɑn jʊər fiːt/

1.
pensare in fretta, reagire prontamente, improvvisare
to be able to think and react quickly, especially in an unexpected situation
:
•
A good salesperson needs to be able to think on their feet.
Un buon venditore deve essere in grado di pensare in fretta.
•
When the unexpected question came, she had to think on her feet to give a suitable answer.
Quando è arrivata la domanda inaspettata, ha dovuto pensare in fretta per dare una risposta adeguata.