機き才さい

noun

shrewdness; quick-wittedness

Refers to the quality of being mentally sharp, resourceful, and able to respond cleverly to situations. Somewhat literary or formal; in casual speech, 機転 or 頭の回転の速さ are more common.

• 彼かれの機き才さいにはいつも感かん心しんさせられる。

  I am always impressed by his quick-wittedness.

• 機き才さいを活いかして難なん局きょくを乗のり切きった。

  He used his shrewdness to overcome the difficult situation.