FREE TO DO WHAT YOU WANTfree to do exactly what you want because you have no responsibilities, for example when you are not married or do not have children 行动自由自在的〔如未婚或没有孩子时〕
footloose students traveling around Europe
在欧洲旅游、自由自在的学生
When the kids leave home, you’ll be footloose and fancy-free (=free and without worries).