释义
react to events decisively, effectively, and without prior thought or planning
反应敏捷，反应快。
双语例句
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The other is more intuitive, daring , relying on one's ability to think on their feet.
另外一种更需要直觉、胆量，取决于人随机应变的能力。
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But I not so think, since fell here, don't I trade a place why on earth again does regain one's feet come?
但是我并不这么认为，既然在这里跌倒了，我干吗不换个地方再重新站起来呢？