Weightlifting is a leg sport. If you've been Snatching and Clean & Jerking for a couple years or more that may seem obvious, given how often and how heavy weightlifters squat. However, the way many lifters move you'd think them unaware of the importance of their legs in a lift.
Setting up the legs to explosively drive the barbell away from the platform is not a natural movement. Learning to do it effectively takes time and a downward reorientation from the default habit of