Mifune has increased the training for the junior high and high school students.  To sweeten the deal, he has offered both groups a valuable prize, and it’s going to be big.
Shu-san, you should stay out 
of other people's business.
Shu-san, no seas gracioso.
Shu, no vayas de gracioso ahora.
Shu, pare de se meter 
na vida dos outros.