nimble
adjective usually approving uk/ˈnɪm.bəl/ us/ˈnɪm.bəl/
（行动）灵活的，敏捷的;（头脑）机敏的，敏锐的
quick and exact either in movement or thoughts
nimble fingers/feet 灵巧的手指／双脚
His nimble mind calculated the answer before I could key the numbers into my computer. 我还没来得及把数字输入计算机，他那敏捷的头脑已经算出了答案。