think on their feet
US /θɪŋk ɑn ðɛr fit/
UK /θɪŋk ɒn ðeə fit/
成语
随机应变, 快速反应
to be able to think and react quickly, especially in an unexpected situation
示例:
•
A good salesperson needs to be able to think on their feet.
一个好的销售人员需要能够随机应变。
•
During the debate, she had to think on her feet to answer unexpected questions.
在辩论中，她不得不随机应变来回答意想不到的问题。