Cāochǎng shàng háizi men lóngténg-hǔyuè, chōngmǎn huólì.
On the playground the children were full of soaring, leaping energy.
Tips
usage
From 严从《拟三国名臣赞序》 (Tang dynasty). Common in speeches, posters, and New Year greetings. Implies not just movement but purposeful, bold action - stronger than 活泼 (lively). Often paired with 生龙活虎 in the same rhetorical beat.