Lee opens a dojo because he feels like he isn't keeping up with his training. He is hoping challengers will come to his dojo to face him in battle.
What?! You mean you haven’t even
really gotten started yet?
ماذا؟! أتقصد أنّك لم تكن جادًّا؟
Eh?! Mi stai dicendo 
che finora non hai fatto sul serio?!
O quê? Ele não estava
levando isso a sério antes?