think on your feet

US /θɪŋk ɑn jʊər fiːt/
UK /θɪŋk ɑn jʊər fiːt/
"think on your feet" picture
1.

臨機応変に考える, 即座に判断する, 素早く対応する

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.
優秀な営業担当者は臨機応変に考える能力が必要です。
When the unexpected question came, she had to think on her feet to give a suitable answer.
予期せぬ質問が来たとき、彼女は適切な答えを出すために臨機応変に考える必要があった。