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think on one's feet

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React quickly, be mentally agile, as in Reporters bombarded him with difficult questions, but Bill was very good at thinking on his feet. This expression uses on one's feet in the sense of “wide awake, alertly.” [First half of 1900s]

QUIZ
QUIZ YOURSELF ON AFFECT VS. EFFECT!
In effect, this quiz will prove whether or not you have the skills to know the difference between “affect” and “effect.”
Question 1 of 7
The rainy weather could not ________ my elated spirits on my graduation day.
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The American Heritage® Idioms Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.

How to use think on one's feet in a sentence

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