As you progress in Judo you gain coordination, and learning the moves then becomes easier.
To become good and proficient at anything, takes time. Quite often the beginner in Judo may feel that they are not picking up the techniques. This is because, while it appears that the basic moves are quite simple, the coordination necessary to do them correctly can only be achieved after they have been practiced many times. As you progress in Judo you gain coordination, and learning the moves then becomes easier.