leap ⇒ 近几年,中国经济飞跃发展。 Jìn jǐ nián, Zhōngguó jīngjì fēiyuè fāzhǎn. → China's economy has developed by leaps and bounds in recent years.
鱼跃
dive
跃跃欲试
itching to have a go ⇒ 听完老师的介绍，同学们跃跃欲试。 Tīngwán lǎoshī de jièshào, tóngxuémen yuèyuè yù shì. → Having heard the teacher's introduction, the students were itching to have a go.