drag (one's) heels
To move slowly and reluctantly because one does not want to do something. We can't be late for the dentist, so quit dragging your heels and get in the car!
drag your ˈfeet/ˈheels
do something very slowly or delay doing something because you do not want to do it: How much longer will the government go on dragging its feet about whether to invest more money in the railways?