Think on one's feet
- React quickly, be mentally agile
- be able to speak and reason well while (standing and talking) in front of an audience
- to think and react quickly, especially in a situation where things are happening fast
- 随机应变 , 反应敏捷
例句：
1, I have never seen a public figure quite as good at holding a press conference as John Kennedy . He'd call on people around the room , and always think on his feet to answer their questions without hesitating . Best of all he had a great sense of humor and usually had the reporters laughing .
我从来没有看见有哪个知名人物在举行记者招待会时能像John Kennedy那么好地处理问题。他会指名在屋子各处的记者让他们提出问题，并且总能迅速地、毫不迟疑地做出回答。更厉害的是，他非常富有幽默感，他往往会引得在场的记者大笑。
2, Generally speaking , interviewers ask these questions to see how well you perform under pressure and think on your feet . 一般来说，面试官会问你这些问题，来测试你在压力下表现如何，以及你的突破性思维。
3, My boss always has an answer for all the problems we meet . I guess he can think on his feet . We all call him Mr. Know-It-All .
我觉得一定是老板思维敏捷，不管我们遇到什么问题，他总能有办法。我们叫他万事通先生。
4, Speeches are a great learning tool . You always get to learn expressing yourself clearly and think on your feet under huge amounts of pressures .
演讲时一个绝佳的学习工具。通过它，你可以学习清楚地表达自己并在巨大压力下随机应变。
5, An ability to think on his feet is very important for talk show hosts .
能否随机应变这是脱口秀节目主持人非常重要的一项技能。
6, Our students are very active . You'd better prepare yourself first and learn to think on your feet .
我们的学生非常古怪非常活跃的。你最好心里有个准备，学着在课堂上随机应变。
更多精彩内容：
1, 【好莱坞英语】It's anything but cool . 这一点也不
2, 【好莱坞英语】What an eager beaver ! 多么卖力工作的小伙！
3, 【好莱坞英语】That's all par for the course . 那多正常啊！
4, [好莱坞英语]You Sure You're not Barking up the wrong tree ? 你有没有搞错？
5, 【好莱坞英语】What ? You got stood up again ? 什么？你又被放鸽子了？
6, Sucks to be you , buddy .哥们儿，你可真倒霉。（吸血鬼第二季第二集）
