vi·va·ce /viˈvɑ(ˌ)ʧe, ʧi/
(ad.)活潑地(a.)活潑的
Vi·va·ce a. & adv. Mus. Brisk; vivacious; with spirit; -- a direction to perform a passage in a brisk and lively manner.
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vivace
adj : (of tempo) very fast and lively
adv : lively, in music; "play this section vivace!"