First go to reference, then dictionary tap on search, type in cheat then enter. Once you see the word cheat there should be a small V next to it press on it. there should be verb tences now. Now press R+L at the same time, until you hear the lady say cheat in Japanese. Now exit out. and go back to the main menu and go to options. press soundnow keep pressing R. You should see lesson unlocked. hoped i helped!!!!!!!!!!!!!!