A spring to one's step的用法和样例：
- The lagged effect of last year's fall in gasoline prices added a spring to the step.
- Cupid's arrows are magical, they bring colour in your life and a spring to your step, so why not take your chances and play a little cupidity.
- An ill marriage is a spring of ill fortune.
- Spring to attention when the captain enters.
- The boy made a spring over the fence.