If I were hustling, I'd be in jail
Hahaha! That was such a funny scene, but I could see how it would be frustrating on both sides.
Judge Milian was trying to say, "if you were working hard, trying to find a job so that you could pay them back..." but the word she was using to describe her working hard was "hustling." So the girl kept going "If I were hustling, I'd be in jail."
For someone as street savvy as Judge Milian, I'm surprised she didn't understand why the girl was confused!
It made me literally laugh out loud, though.