leap ·phrase (IDIOM)
Definition: If progress or growth happens in leaps and bounds, it happens very quickly. Level: C2
在过去的几个月里，他的物理知识飞速增长。
His knowledge of physics has grown ___by ___leaps ___and ___bounds over the past few months.
由于新政策，经济正在飞速扩张。
The economy is expanding ___in ___leaps ___and ___bounds due to new policies.
凭借她的 dedication，她的技能正在飞速提高。
With her dedication, her skills are improving ___by ___leaps ___and ___bounds.