a spring in your step idiom
步伐轻快;（走路）轻松自信
If you walk with or have a spring in your step, you walk energetically in a way that shows you are feeling happy and confident.
There's been a definite spring in his step ever since he met Joanna. 自从他遇见乔安娜之后，走起路来步伐都轻快了。