Each answer is connect to a Game/Sport, Pastime/Hobby
(my suggested ans. appears in brackets, any agreement)
1. ........and ladies with wobbly bits (5,7)
2. Juggle the numbers (6) (Sudoku?)
3. Weapon of the lower 4th (6,5) (Hockey Stick?)
4. Go to it ........and work and work out (3,3) (would Gym be part)