名詞 spring 有兩個含義，一個是春季，另一個是彈簧。A spring in ones step 的字面意思是腳步里裝了彈簧，但實質表達的意思是由于心情好而讓人腳步愈加自信，更有朝氣。
例句
Theres definitely been a spring in her step since she met Michael.
自從她遇見邁克之后，走起路來腳步都變得輕快了。
I am sure youll be walking with a spring in your step when I tell you the news.
我相信我對你說這個消息后，你一定走路的節奏都會變得輕快。
Sam has been walking around with a spring in his step ever since the manager announced his promotion1.
自從經理宣布山姆升職的消息后，山姆精神抖擻，走路節奏格外輕快。