Cho looked at him, then smiled. "I used to do judo and taekwondo when I was younger," she explained. "They’re Asian martial arts. My mum’s a black belt in taekwondo and she taught me that, but I also did judo as well. When I came to Hogwarts- well, I didn’t really have a lot of time to keep up my training, and Quidditch became my new sport.