飞跃 fēiyuè to leap
How to remember 飞跃: 飞 to fly + 跃 to skip = to leap.
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How it is used
- A leap / great forward bound - usually figurative - 实现质的飞跃 (shíxiàn zhì de fēiyuè) to achieve a qualitative leap.
- Chiefly metaphorical: a dramatic advance in development or quality, not literal jumping.
- 质的飞跃 = a leap in quality is a very common collocation.