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

1.
schnell reagieren, schnell denken, improvisieren
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.
Ein guter Verkäufer muss in der Lage sein, schnell zu reagieren.
•
When the unexpected question came, she had to think on her feet to give a suitable answer.
Als die unerwartete Frage kam, musste sie schnell reagieren, um eine passende Antwort zu geben.