To be footloose and fancy-free 自由自在 无拘无束

我们常说，小孩子们是天真烂漫、自由自在的。表达 to be footloose and fancy-free 形容人了无牵挂、自由自在，不承担家庭或感情上的责任和义务。其中，形容词 “footloose” 和 “fancy-free” 是同义词，意思都是 “自由自在的，无拘无束的”。

例句

Enjoy being footloose and fancy-free while you can, young man. As you grow older, you will have responsibilities.
年轻人，尽情享受无拘无束的日子吧！随着年龄的增长，你则需要担负起责任。

Now that she’s left her stressful job, she’s footloose and fancy free!
她已辞去了那份压力很大的工作，现在无牵无挂、自由自在！

After they got married and had a family, they couldn’t travel as much as they used to! They were no longer footloose and fancy-free.
他们结婚生子后，不能像以前那样总是去旅游了。他们不再无拘无束、逍遥自在了。