When you are crouching, let go of the stick and you will rise back up to standing position. During this time you can input a button and a specific move will come out.What is while standing?
DJ's WS moves are WS +1, 2... WS + 2 and WS + 4,4.
WS moves are great punishers against high attacks when you are already crouching. It's essentially a free combo if you select the right move.
Also when someone is lying on the floor you can down + 1 + 2 with DJ where he points his beam to the ground. So that's another move you can use when Lei starts rolling on the ground.